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the concept of a mean-periodic function is a generalization introduced in 1935 by Jean Delsarte of the concept of a periodic function. Further results
Mean-periodic_function
Square root of the mean square
as the quadratic mean (denoted M 2 {\displaystyle M_{2}} ), a special case of the generalized mean. The RMS of a continuous function is denoted f R M
Root_mean_square
Function that "converges" to periodicity
In mathematics, an almost periodic function is, loosely speaking, a function of a real variable that is periodic to within any desired level of accuracy
Almost_periodic_function
French mathematician (1903–1968)
work in mathematical analysis, in particular, for introducing mean-periodic functions and generalised shift operators. He was one of the founders of
Jean_Delsarte
Measure of change in a periodic variable
are all functions of the magnitude of the differences between the variable's extreme values. In older texts, the phase of a periodic function is sometimes
Amplitude
describe periodic phenomena. Inverse trigonometric functions. See also Gudermannian function. Most special functions are transcendental. Indicator function: maps
List of mathematical functions
List_of_mathematical_functions
Type of zeta function
is proposed, between the arithmetic zeta functions and mean-periodic functions in the space of smooth functions on the real line of not more than exponential
Arithmetic_zeta_function
Functions of an angle
the simplest periodic functions, and are widely used for studying periodic phenomena through Fourier analysis. The trigonometric functions most commonly
Trigonometric_functions
Artificial neural network node function
the function center and a {\displaystyle a} and σ {\displaystyle \sigma } are parameters affecting the spread of the radius. Periodic functions can serve
Activation_function
Function with unusual fractal properties
is represented by a periodic continued fraction, so the value of the question-mark function on x {\displaystyle x} is a periodic binary fraction and thus
Minkowski's question-mark function
Minkowski's_question-mark_function
Fundamental theorem in condensed matter physics
to the Schrödinger equation in a periodic potential can be expressed as plane waves modulated by periodic functions. The theorem is named after the Swiss
Bloch's_theorem
Geometric progression ratio that provides a constant rate of return over the time period
representing the mean annualized growth rate for compounding values over a given time period. CAGR smooths the effect of volatility of periodic values that
Compound_annual_growth_rate
Physical model defined on a lattice
the partition function are known as exactly solvable. Examples of exactly solvable models are the periodic 1D Ising model, and the periodic 2D Ising model
Lattice_model_(physics)
Polynomial function of degree two
representation of conic sections Quadric Periodic points of complex quadratic mappings List of mathematical functions Weisstein, Eric Wolfgang. "Quadratic
Quadratic_function
Correlation of a signal with a time-shifted copy of itself, as a function of shift
autocorrelation of a periodic function is, itself, periodic with the same period. The autocorrelation of the sum of two completely uncorrelated functions (the cross-correlation
Autocorrelation
Probability of survival beyond any specified time
lambda, λ: λ = 1/(mean time between failures) = 1/59.6 = 0.0168. The distribution of failure times is the probability density function (PDF), since time
Survival_function
Mean amplitude of a waveform in the time domain
processing, when describing a periodic function in the time domain, the DC bias, DC component, DC offset, or DC coefficient is the mean value of the waveform
DC_bias
Surface that locally minimizes its area
surface that locally minimizes its area. This is equivalent to having zero mean curvature (see definitions below). The term "minimal surface" is used because
Minimal_surface
Decomposition of periodic functions
of a periodic function into a sum of trigonometric functions. The Fourier series is an example of a trigonometric series. By expressing a function as a
Fourier_series
approximation theory. The term was coined by Sergei Bernstein. Let f be a 2π-periodic function. Then f is α-Hölder for some 0 < α < 1 if and only if for every natural
Constructive_function_theory
Method of visualizing the relationship between elements
A period on the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period
Period_(periodic_table)
Surface with constant mean curvature
Anderson, H. T. Davis, L. E. Scriven, J. C. C. Nitsche, Periodic Surfaces of Prescribed Mean Curvature in Advances in Chemical Physics vol 77, eds. I
Constant-mean-curvature surface
Constant-mean-curvature_surface
Amount of variation between extrema
periodic behaviour; in the worst cases quite irregular movement covering a whole region. Oscillation can be used to define continuity of a function,
Oscillation_(mathematics)
Number taken as representative of a list of numbers
perhaps periodic behavior. An easy way to do this is the moving average: one chooses a number n and creates a new series by taking the arithmetic mean of the
Average
Mathematical function
period of the function pq u {\displaystyle \operatorname {pq} u} ; that is, the function pq u {\displaystyle \operatorname {pq} u} is periodic in the direction
Jacobi_elliptic_functions
Second order linear differential equation featuring a periodic function
where f ( t ) {\displaystyle f(t)} is a periodic function with minimal period π {\displaystyle \pi } . By this we mean that for all t {\displaystyle t} f (
Hill_differential_equation
Concept in molecular modelling
remaining particles. One example of periodic boundary conditions can be defined according to smooth real functions ϕ : R n → R {\displaystyle \phi :\mathbb
Periodic_boundary_conditions
Type of statistical measure over subsets of a dataset
a moving average (rolling average or running average or moving mean or rolling mean) is a calculation to analyze data points by creating a series of
Moving_average
Mathematical problem in classical harmonic analysis
question of whether the Fourier series of a given periodic function converges to the given function is studied in classical harmonic analysis, a branch
Convergence_of_Fourier_series
Frequency with which an engineered system or component fails
Mondro, Mitchell J. (June 2002). "Approximation of Mean Time Between Failure When a System has Periodic Maintenance" (PDF). IEEE Transactions on Reliability
Failure_rate
Mathematical function used in signal processing
function is named after the Austrian meteorologist Julius von Hann. It is a window function used to perform Hann smoothing or hanning. The function,
Hann_function
French mathematician (1926–2017)
lifelong activism as part of the French Communist Party. Lectures on mean periodic functions (Bombay, Tata Institute, 1959). Séries de Fourier absolument convergentes
Jean-Pierre_Kahane
Development of the table of chemical elements
The periodic table is an arrangement of the chemical elements, structured by their atomic number, electron configuration and recurring chemical properties
History_of_the_periodic_table
Periodic table of the elements with eight or more periods
Extended periodic table Element 119 (Uue, marked here) in period 8 (row 8) marks the start of theorisations. An extended periodic table theorizes about
Extended_periodic_table
Period of time for the ecliptic longitude of the Sun to increase 360°
They were able to compute periodic variations and separate them from the gradual mean motion. They could express the mean longitude of the Sun in a polynomial
Tropical_year
Extension of the factorial function
give a unique solution, since it allows for multiplication by any periodic function g ( x ) {\displaystyle g(x)} with g ( x ) = g ( x + 1 ) {\displaystyle
Gamma_function
Visible difference in brightness or color
contrast for periodic functions f ( x ) {\displaystyle f(x)} and is also known as the modulation m f {\displaystyle m_{f}} of a periodic signal f {\displaystyle
Contrast_(vision)
Characteristic of an optical system
x)} , as a function of the spatial frequency, ν {\displaystyle \nu } , while its complex argument indicates a phase shift in the periodic pattern. The
Optical_transfer_function
Statistical model
can be defined through the covariance function are the process' stationarity, isotropy, smoothness and periodicity. Stationarity refers to the process'
Gaussian_process
Statistical model used in time series analysis
exponential process), the predictable component is treated as a non-zero-mean but periodic (i.e., seasonal) component in the ARIMA framework that it is eliminated
Autoregressive integrated moving average
Autoregressive_integrated_moving_average
Locally compact topological group with an invariant averaging operation
bounded functions that is invariant under translation by group elements. The original definition, in terms of a finitely additive measure (or mean) on subsets
Amenable_group
Integral expressing the amount of overlap of one function as it is shifted over another
be defined for functions on Euclidean space and other groups (as algebraic structures).[citation needed] For example, periodic functions, such as the discrete-time
Convolution
Nearest integers from a number
"integer part" is ambiguous, as it can also mean truncation towards zero, which differs from the floor function for negative numbers. For an integer n, ⌊n⌋
Floor_and_ceiling_functions
Function used in signal processing
processing and statistics, a window function (also known as an apodization function or tapering function) is a mathematical function that is zero-valued outside
Window_function
Inverse of a finite difference
adding any 1-periodic function C ( x ) {\displaystyle C(x)} (satisfying C ( x + 1 ) = C ( x ) {\displaystyle C(x+1)=C(x)} ), the function F ( x ) + C (
Indefinite_sum
Integral transform and linear operator
{\displaystyle H(f)(x)=-i{\bigl (}F_{+}(x)+F_{-}(x){\bigr )}.} For a periodic function f the circular Hilbert transform is defined: f ~ ( x ) ≜ 1 2 π p
Hilbert_transform
Test MATLAB code for circ_rtest function. Lecture on directional statistics. A test for the significance of the mean direction and the concentration parameter
Rayleigh_test
Topics referred to by the same term
Quadratic growth, an asymptotic growth rate proportional to a quadratic function Periodic points of complex quadratic mappings, a type of graph that can be
Quadratic
Description of particle density in statistical mechanics
{\displaystyle n=1} , we have the one-particle density. For a crystal it is a periodic function with sharp maxima at the lattice sites. For a non-interacting gas
Radial_distribution_function
Nonlinear and periodic surface wave on an inviscid fluid layer of constant mean depth
dynamics, a Stokes wave is a nonlinear and periodic surface wave on an inviscid fluid layer of constant mean depth. This type of modelling has its origins
Stokes_wave
Mathematical function, inverse of an exponential function
to base b, written logb x = y, so log10 1000 = 3. As a single-variable function, the logarithm to base b is the inverse of exponentiation with base b.
Logarithm
defined as the difference true anomaly, ν, minus mean anomaly, M, and is typically expressed a function of mean anomaly, M, and orbital eccentricity, e. Since
Equation_of_the_center
Result of repeatedly applying a mathematical function
In mathematics, an iterated function is a function that is obtained by composing another function with itself two or several times. The process of repeatedly
Iterated_function
Signal processing technique
techniques for analyzing non-periodic functions fall into the category of Fourier analysis. The Fourier transform of a function produces a frequency spectrum
Spectral_density_estimation
Probability distribution
of sine here is not crucial; it can be replaced by some other odd periodic function with the right period. For determining the maximum likelihood estimators
Log-normal_distribution
Generalized function whose value is zero everywhere except at zero
series associated with a periodic function converges to the function. The n-th partial sum of the Fourier series of a function f of period 2π is defined
Dirac_delta_function
Describes the range of energies of an electron within the solid
gaps by examining the allowed quantum mechanical wave functions for an electron in a large, periodic lattice of atoms or molecules. Band theory has been
Electronic_band_structure
Official commitment between a service provider and a customer
communication, apply rewards and penalties for performance, and leave room for periodic revisitation to make changes. SLAs may be supported by operational-level
Service-level_agreement
Mathematics of real numbers and real functions
value theorem relates the derivative of a function to its average rate of change over intervals. The mean value theorem is important because it leads
Real_analysis
Formal power series
generating function is used without qualification, it is usually taken to mean an ordinary generating function. The ordinary generating function of a sequence
Generating_function
Theorem in mathematics
mathematical analysis, the inverse function theorem gives sufficient conditions for a function to have an inverse function. The essential idea is that if
Inverse_function_theorem
Interference pattern
by the sinusoidal envelope "beat" function cos(Bx), whose periodic variation is half the difference of the periodic variations k1 and k2 (and evidently
Moiré_pattern
Mathematical transform that expresses a function of time as a function of frequency
endpoints identified). The latter is routinely employed to handle periodic functions. The fast Fourier transform (FFT) is an algorithm for computing the
Fourier_transform
Solution of Euler equations
wave or Gerstner wave is an exact solution of the Euler equations for periodic surface gravity waves. It describes a progressive wave of permanent form
Trochoidal_wave
Function whose domain is the positive integers
Arithmetical Functions. An introduction to elementary and analytic properties of arithmetic functions and to some of their almost-periodic properties,
Arithmetic_function
Malgrange, Fonctions moyenne-périodiques, d'après J.-P. Kahane (mean-periodic functions) Katsumi Nomizu, Quelques résultats en géométrie différentielle
Séminaire Nicolas Bourbaki (1950–1959)
Séminaire_Nicolas_Bourbaki_(1950–1959)
Signal representation
other hand, maps functions with discrete time (discrete-time signals) to functions that have a continuous frequency domain. A periodic signal has energy
Frequency_domain
Type of activation function
linear unit) activation function is an activation function defined as the non-negative part of its argument, i.e., the ramp function: ReLU ( x ) = x + =
Rectified_linear_unit
Probability distribution
distribution is not periodic. The characteristic function of the wrapped exponential is just the characteristic function of the exponential function evaluated at
Wrapped exponential distribution
Wrapped_exponential_distribution
Infinitely connected triply periodic minimal surface
OCLC 57134637. Karcher, Hermann (1989). "The triply periodic minimal surfaces of Alan Schoen and their constant mean curvature companions". Manuscripta Mathematica
Gyroid
Mathematical function relating circular and hyperbolic functions
Gudermannian function (with a complex argument) may be used to define the transverse Mercator projection. The Gudermannian function appears in a non-periodic solution
Gudermannian_function
Variations in data at specific regular intervals less than a year
quasiperiodicity is a more general, irregular periodicity. Box–Jenkins method Oscillation Periodic function Periodicity (disambiguation) Photoperiodism .● Source
Seasonality
First known wavelet basis
dealing with 1-periodic continuous functions, or rather with continuous functions f on [0, 1] such that f(0) = f(1), one removes the function s1(t) = t from
Haar_wavelet
Function describing an electron in an atom
wave functions for all atomic orbitals up to 7s, and therefore covers the occupied orbitals in the ground state of all elements in the periodic table
Atomic_orbital
Trending periodic processes
decomposed function of the periodic trend process has a trend and a principal function that governs the periodicity. An example of trend periodic in the second
Trend periodic nonstationary processes
Trend_periodic_nonstationary_processes
Advanced Placement course and exam
and science courses. In this course, students study a broad spectrum of function types that are foundational for careers in mathematics, physics, biology
AP_Precalculus
Russian mathematician
Hasse zeta function of a proper regular model of an elliptic curve over a global field. This study led Fesenko to introduce a new mean-periodicity correspondence
Ivan_Fesenko
Covariance and correlation
If f {\displaystyle f} and g {\displaystyle g} are both continuous periodic functions of period T {\displaystyle T} , the integration from − ∞ {\displaystyle
Cross-correlation
Clock deviation from perfect periodicity
and telecommunications, jitter is the deviation from true periodicity of a presumably periodic signal, often in relation to a reference clock signal. In
Jitter
Signal with properties that vary cyclically with time
)=R_{x}(t+T_{0};\tau ){\text{ for all }}t,\tau .} The autocorrelation function is thus periodic in t and can be expanded in Fourier series: R x ( t , τ ) = ∑
Cyclostationary_process
Theorem
Dirichlet–Jordan test gives sufficient conditions for a complex-valued, periodic function f {\displaystyle f} to be equal to the sum of its Fourier series at
Dirichlet–Jordan_test
Signal analysis tool
improves the accuracy of Intrinsic Mode Functions (IMFs) for periodic signals. However, it is not suitable for non-periodic signals and can introduce side effects
Hilbert–Huang_transform
SI derived unit of radioactivity
reciprocal second (for periodic events of any kind), and fourier (Fr; after Joseph Fourier). The hertz is now only used for periodic phenomena. While 1 Hz
Becquerel
Special mathematical functions defined on the surface of a sphere
harmonics. This is similar to periodic functions defined on a circle that can be expressed as a sum of circular functions (sines and cosines) via Fourier
Spherical_harmonics
stirring in two-dimensions by any number of stirrers following a time-periodic 'stirring protocol' (Boyland, Aref & Stremler 2000). Other studies are
Topological_fluid_dynamics
Term in set theory
Cantor set. Look up almost in Wiktionary, the free dictionary. Almost periodic function - and Operators Almost all Almost surely Approximation List of mathematical
Almost
Simple polynomial map exhibiting chaotic behavior
bifurcations. These diagrams are graphs of fixed points (or periodic points, as described below) x as a function of a parameter a, with a on the horizontal axis and
Logistic_map
To-and-fro periodic motion in science and engineering
simple harmonic motion (sometimes abbreviated as SHM) is a special type of periodic motion an object experiences by means of a restoring force whose magnitude
Simple_harmonic_motion
Periodicity computation method
periodogram removes this assumption and explicitly solves for the mean. In this case, the function fitted is ϕ ( t ) = A sin ω t + B cos ω t + C . {\displaystyle
Least-squares spectral analysis
Least-squares_spectral_analysis
Summability method in physics
on the walls of the box and which are periodic in τ with period β. In this situation from the partition function he computes energy, entropy and pressure
Zeta_function_regularization
unidirectional drift of a particle in a medium caused by periodic driving force with zero mean. The effect is possible due to nonlinear dependence of the
Nonlinear_frictiophoresis
Methods of calculating definite integrals
\int _{a}^{b}f(x)\,dx} to a given degree of accuracy. If f(x) is a smooth function integrated over a small number of dimensions, and the domain of integration
Numerical_integration
Summability method used in harmonic analysis
>0\\0,&{\mbox{otherwise}}.\end{cases}}} Let f {\displaystyle f} be a periodic function, thought of as being on the n-torus, T n {\displaystyle \mathbb {T}
Bochner–Riesz_mean
Probability distribution on the circle
where μ and σ are the mean and standard deviation of the unwrapped distribution, respectively. Expressing the above density function in terms of the characteristic
Wrapped_normal_distribution
Technique in mathematics for representing solenoidal vector fields
Mar. 1999, pp. 247–264. Plane poloidal-toroidal decomposition of doubly periodic vector fields: Part 1. Fields with divergence and Part 2. Stokes equations
Poloidal–toroidal decomposition
Poloidal–toroidal_decomposition
Millennium Prize Problem
can derive a system of ordinary differential equations The functions sought now are periodic in the space variables of period 1. More precisely, let e
Navier–Stokes existence and smoothness
Navier–Stokes_existence_and_smoothness
Normalized measure of the dispersion of a probability distribution
dispersion index, coefficient of dispersion, relative variance, or variance-to-mean ratio (VMR), like the coefficient of variation, is a normalized measure of
Index_of_dispersion
Chemical substance not composed of simpler ones
which the columns ("groups") share recurring ("periodic") physical and chemical properties. The periodic table summarizes various properties of the elements
Chemical_element
Signal boosting phenomenon using white noise
least to first order approximation, the mean value of x ( t ) {\displaystyle x(t)} becomes a periodic function of time with the same frequency as the external
Stochastic_resonance
Branch of mathematics that studies dynamical systems
function ƒ over sufficiently large time-scales is approximated by the orthogonal component of ƒ which is time-invariant. In another form of the mean ergodic
Ergodic_theory
MEAN PERIODIC-FUNCTION
MEAN PERIODIC-FUNCTION
Surname or Lastname
French
French : from the personal name Jean, French form of
John.English : variant of Jayne.A Vivien Jean, recorded in Canada in 1681, was also known as
Girl/Female
Hindu
Precious blue stone, Fish, Jewel (Wife of the himalayas)
Male
English
Anglicized form of Irish Gaelic Cian, KEAN means "ancient, distant."
Surname or Lastname
English
English : topographic name from Middle English dene ‘valley’ (Old English denu), or a habitational name from any of several places in various parts of England named Dean, Deane, or Deen from this word. In Scotland this is a habitational name from Den in Aberdeenshire or Dean in Ayrshire.English : occupational name for the servant of a dean or nickname for someone thought to resemble a dean. A dean was an ecclesiastical official who was the head of a chapter of canons in a cathedral. The Middle English word deen is a borrowing of Old French d(e)ien, from Latin decanus (originally a leader of ten men, from decem ‘ten’), and thus is a cognate of Deacon.Irish : variant of Deane.Italian : occupational name cognate with 2, from Venetian dean ‘dean’, a dialect form of degan, from degano (Italian decano).
Surname or Lastname
English (chiefly Devon)
English (chiefly Devon) : nickname for a thin or lean person, from Middle English lene ‘lean’ (Old English hlǣne).Irish : reduced Anglicized form of Gaelic Ó Liatháin (see Lehane).Reduced form of Scottish McLean.
Male
English
 English occupational surname transferred to forename use, from the Latin word decanus, DEAN means "dean; ecclesiastical supervisor."
Male
English
Anglicized form of Irish Gaelic Seán, SEAN means "God is gracious."
Surname or Lastname
Irish
Irish : variant spelling of Keane.English : variant spelling of Keen.
Surname or Lastname
English
English : variant of Mease or Meece.Norwegian (Sør Trøndelag) : habitational name from a farmstead named Meås, from me ‘middle’ + ås ‘hill’, ‘ridge’.French (Méas) : habitational name from a locality so named in Nièvre.Cambodian : unexplained.
Surname or Lastname
Irish
Irish : shortened form of McMeans.English : habitational names from East and West Meon in Hampshire, which take their names from the Meon river. The word is Celtic but of uncertain meaning, possibly ‘swift one’.nickname from Middle English mene ‘inferior in rank’, ‘of low degree’ (from Old English gemǣne), or from Middle English mene ‘moderate in behaviour’ (from Old French mëen, mean).
Female
Hungarian
Hungarian feminine form of Latin Timæus, TÃMEA means "honor."
Surname or Lastname
English
English : metonymic occupational name for a grower or seller of beans, from Old English bēan ‘beans’ (a collective singular). Occasionally it may have been applied as a nickname for a someone considered of little importance.English : nickname for a pleasant person, from Middle English bēne ‘friendly’, ‘amiable’ (of unknown origin; there is apparently no connection with Bain or Bon).Scottish : Anglicized form of the Gaelic personal name Beathán, a diminutive of beatha ‘life’.Translation of German Bohne, or an altered spelling of Biehn. See also Bihn.Mistranslation of French Lefevre. As the vocabulary word fèvre ‘smith’ was replaced by forgeron, the meaning of the old word became opaque, and the surname was reinterpreted as if it were La fève, from fève ‘(fava) bean’. Lefevre is the most common name in French Canada; great numbers of them migrated to the US, where many adopted the name Bean, in the belief that it was a translation of Lefèvre. See also Lafave.
Girl/Female
Hindu
Pearl
Boy/Male
Indian
Religion
Boy/Male
Hindu
Lecturer, Respect, Supernatural power, Lord of mind
Female
English
Pet form of Welsh Mared, MEGAN means "pearl."Â
Female
English
Scottish form of French Jeanne, JEAN means "God is gracious." Compare with masculine Jean.
Male
French
A derivative of Anglo-Norman French Jehan, JEAN means "God is gracious." Compare with feminine Jean.
Male
Hebrew
Short form of Hebrew Immanuw'el (English Immanuel), MAN means "God is with us."
Surname or Lastname
English
English : topographic name for someone who lived by a meadow, from Middle English mede ‘meadow’ (Old English mǣd).English : metonymic occupational name for a brewer or seller of mead (Old English meodu), an alcoholic beverage made by fermenting honey.
MEAN PERIODIC-FUNCTION
MEAN PERIODIC-FUNCTION
Girl/Female
Indian
Daughter of Himalaya; Wife of Lord Shiva; Parvati
Boy/Male
Hindu
Winner of the battle, Victorious in war or Lord Vishnu, One who has conquered lust
Girl/Female
African, Australian, Indian, Sanskrit
Daughter
Female
English
 German surname transferred to forename use, WILDA means "wild." Old English name meaning "willow tree."
Girl/Female
Gujarati, Indian, Kannada, Kashmiri
Spring
Boy/Male
Arabic, Bengali, Celebrity, German, Gujarati, Hindu, Indian, Kannada, Malayalam, Oriya, Sanskrit, Tamil, Telugu, Traditional
Son; Prince
Boy/Male
Indian, Sanskrit
King of the Twice Born
Boy/Male
Scottish
From Skene.
Boy/Male
Muslim
Redemption or sacrifice
Boy/Male
Hindu, Indian, Marathi
Great
MEAN PERIODIC-FUNCTION
MEAN PERIODIC-FUNCTION
MEAN PERIODIC-FUNCTION
MEAN PERIODIC-FUNCTION
MEAN PERIODIC-FUNCTION
a.
Happening, by revolution, at a stated time; returning regularly, after a certain period of time; acting, happening, or appearing, at fixed intervals; recurring; as, periodical epidemics.
n.
Specifically, dinner; the chief meal.
superl.
Wanting dignity of mind; low-minded; base; destitute of honor; spiritless; as, a mean motive.
a.
Performed in a period, or regular revolution; proceeding in a series of successive circuits; as, the periodical motion of the planets round the sun.
a.
Surrounding, or pertaining to the region surrounding, the internal ear; as, the periotic capsule.
superl.
Penurious; stingy; close-fisted; illiberal; as, mean hospitality.
v. t.
To have in the mind, as a purpose, intention, etc.; to intend; to purpose; to design; as, what do you mean to do ?
a.
Of or pertaining to a period or periods, or to division by periods.
a.
Alt. of Periodical
v. i.
Wanting fullness, richness, sufficiency, or productiveness; deficient in quality or contents; slender; scant; barren; bare; mean; -- used literally and figuratively; as, the lean harvest; a lean purse; a lean discourse; lean wages.
n.
That which is mean, or intermediate, between two extremes of place, time, or number; the middle point or place; middle rate or degree; mediocrity; medium; absence of extremes or excess; moderation; measure.
superl.
Of poor quality; as, mean fare.
a.
Of a mean spirit; base; groveling.
n.
A quantity having an intermediate value between several others, from which it is derived, and of which it expresses the resultant value; usually, unless otherwise specified, it is the simple average, formed by adding the quantities together and dividing by their number, which is called an arithmetical mean. A geometrical mean is the square root of the product of the quantities.
a.
Of or pertaining to a period; constituting a complete sentence.
imp. & p. p.
of Mean
n.
A periotic bone.
v. i.
To come to a period; to conclude. [Obs.] "You may period upon this, that," etc.
a.
Average; having an intermediate value between two extremes, or between the several successive values of a variable quantity during one cycle of variation; as, mean distance; mean motion; mean solar day.