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In computer science, Peter Landin's J operator is a programming construct that post-composes a lambda expression with the continuation to the current lambda-context
J_operator
Typically linear operator defined in terms of differentiation of functions
In mathematics, a differential operator is an operator defined as a function of the differentiation operator. It is helpful, as a matter of notation first
Differential_operator
operator T {\displaystyle T} belongs to an operator ideal J {\displaystyle {\mathcal {J}}} , then for any operators A {\displaystyle A} and B {\displaystyle
Operator_ideal
Differential operator in mathematics
In mathematics, the Laplace operator or Laplacian is a differential operator given by the divergence of the gradient of a scalar function on Euclidean
Laplace_operator
Raising and lowering operators in quantum mechanics
{\begin{aligned}J_{-}J_{+}&=(J_{x}-iJ_{y})(J_{x}+iJ_{y})=J_{x}^{2}+J_{y}^{2}+i[J_{x},J_{y}]=J^{2}-J_{z}^{2}-\hbar J_{z},\\J_{+}J_{-}&=(J_{x}+iJ_{y})(J_{x}-iJ_{y})=J
Ladder_operator
Operators useful in quantum mechanics
Creation operators and annihilation operators are mathematical operators that have widespread applications in quantum mechanics, notably in the study
Creation and annihilation operators
Creation_and_annihilation_operators
Branch of mathematical analysis
differentiation operator D {\displaystyle D} D f ( x ) = d d x f ( x ) , {\displaystyle Df(x)={\frac {d}{dx}}f(x)\,,} and of the integration operator J {\displaystyle
Fractional_calculus
Function acting on the space of physical states in physics
An operator is a function over a space of physical states onto another space of states. The simplest example of the utility of operators is the study
Operator_(physics)
In mathematics, Jordan operator algebras are real or complex Jordan algebras with the compatible structure of a Banach space. When the coefficients are
Jordan_operator_algebra
Function acting on function spaces
In mathematics, an operator is generally a mapping or function that acts on elements of a space to produce elements of another space (possibly and sometimes
Operator_(mathematics)
Mathematical operator in quantum optics
operator. This operator was introduced independently by Richard Feynman and Roy J. Glauber in 1951. The displacement operator is a unitary operator,
Displacement_operator
First-order differential linear operator on spinor bundle, whose square is the Laplacian
a Dirac operator is a first-order differential operator that is a formal square root, or half-iterate, of a second-order differential operator such as
Dirac_operator
Quantum mechanical operator used in the field of quantum chemistry
in the Fock operator. It is defined as: J ^ j ( 1 ) f i ( 1 ) = f i ( 1 ) ∫ | φ j ( 2 ) | 2 1 r 12 d r 2 {\displaystyle {\widehat {J}}_{j}(1)f_{i}(1)=f_{i}(1)\int
Coulomb_operator
Quantum operator for the sum of energies of a system
In quantum mechanics, the Hamiltonian of a system is an operator corresponding to the total energy of that system, including both kinetic energy and potential
Hamiltonian (quantum mechanics)
Hamiltonian_(quantum_mechanics)
Machine learning framework
Neural operators are a class of deep learning architectures designed to learn maps between infinite-dimensional function spaces. Neural operators represent
Neural_operators
Topic in mathematics
In mathematics, a Hilbert–Schmidt operator, named after David Hilbert and Erhard Schmidt, is a bounded operator A : H → H {\displaystyle A\colon H\to
Hilbert–Schmidt_operator
Linear operator defined on a dense linear subspace
functional analysis and operator theory, the notion of unbounded operator provides an abstract framework for dealing with differential operators, unbounded observables
Unbounded_operator
Reynolds operators were introduced into fluid dynamics by Osbourne Reynolds (1895) and named by J. Kampé de Fériet (1934, 1935, 1949). Reynolds operators are
Reynolds_operator
Operator encoding information about iterated map
In mathematics, the transfer operator encodes information about an iterated map and is frequently used to study the behavior of dynamical systems, statistical
Transfer_operator
Topics referred to by the same term
and 15 of a year J (programming language) J# programming language for the Microsoft .NET Framework J operator, a programming construct J (operating system)
J_(disambiguation)
Method of describing higher-order polyhedra
polyhedra to be generated. Conway defined the operators a (ambo), b (bevel), d (dual), e (expand), g (gyro), j (join), k (kis), m (meta), o (ortho), s (snub)
Conway_polyhedron_notation
Programming languages binary operator
the C and C++ programming languages, the comma operator (represented by the token ,) is a binary operator that evaluates its first operand and discards
Comma_operator
defined by the Fock operator. In its general form the Fock operator is written F ^ ( i ) = h ^ ( i ) + ∑ j = 1 N [ J ^ j ( i ) − K ^ j ( i ) ] {\displaystyle
Fock_matrix
especially operator theory, subnormal operators are bounded operators on a Hilbert space defined by weakening the requirements for normal operators. Some examples
Subnormal_operator
Mathematical operator
In mathematics, a closure operator on a set S is a function cl : P ( S ) → P ( S ) {\displaystyle \operatorname {cl} :{\mathcal {P}}(S)\rightarrow {\mathcal
Closure_operator
Linear operator equal to its own adjoint
In mathematics, a self-adjoint operator on a complex vector space V {\displaystyle V} with inner product ⟨ ⋅ , ⋅ ⟩ {\displaystyle \langle \cdot ,\cdot
Self-adjoint_operator
Mathematical study of linear operators
mathematics, operator theory is the study of linear operators on function spaces, beginning with differential operators and integral operators. The operators may
Operator_theory
) J − 4 V ⋅ } d + ( n − 4 ) Q {\displaystyle P=\Delta ^{2}-\delta \left\{(n-2)J-4V\cdot \right\}d+(n-4)Q} where Δ is the Laplace–Beltrami operator, d
Paneitz_operator
Type of differential operator
partial differential equations, elliptic operators are differential operators that generalize the Laplace operator. They are defined by the condition that
Elliptic_operator
Quantum mechanical operator related to rotational symmetry
also J + J − = J x 2 + J y 2 − i [ J x , J y ] = J x 2 + J y 2 + J z {\displaystyle J_{+}J_{-}=J_{x}^{2}+J_{y}^{2}-i[J_{x},J_{y}]=J_{x}^{2}+J_{y}^{2}+J_{z}}
Angular_momentum_operator
Call assistance services
Operator assistance refers to service provided by a telephone operator to the calling party of a telephone call. This included telephone calls made from
Operator_assistance
Programming language
the J operator and with type inference. Another line of descent from ISWIM is to strip out the imperative features (assignment and the J operator) leaving
ISWIM
Linear operator in mathematics
mathematics, the composition operator C ϕ {\displaystyle C_{\phi }} with symbol ϕ {\displaystyle \phi } is a linear operator defined by the rule C ϕ ( f
Composition_operator
Operation on self-adjoint operators
In functional analysis, one is interested in extensions of symmetric operators acting on a Hilbert space. Of particular importance is the existence, and
Extensions of symmetric operators
Extensions_of_symmetric_operators
Quantum mechanical operator interchanging particle states as arguments to a function
mechanics, the exchange operator P ^ {\displaystyle {\hat {P}}} , also known as permutation operator, is a quantum mechanical operator that acts on states
Exchange_operator
Theorem used in quantum mechanics for angular momentum calculations
Given a tensor operator T ( k ) {\displaystyle T^{(k)}} and two states of angular momenta j {\displaystyle j} and j ′ {\displaystyle j'} , there exists
Wigner–Eckart_theorem
Operator generalizing the Laplacian in differential geometry
In differential geometry, the Laplace–Beltrami operator is a generalization of the Laplace operator to functions defined on submanifolds in Euclidean space
Laplace–Beltrami_operator
In mathematics, a dissipative operator is a linear operator A defined on a linear subspace D(A) of Banach space X, taking values in X such that for all
Dissipative_operator
Surjective bounded operator on a Hilbert space preserving the inner product
In functional analysis, a unitary operator is a surjective bounded operator on a Hilbert space that preserves the inner product. Non-trivial examples
Unitary_operator
j ≤ 0 sup K | p j | ϵ − j / ( − j ) ! < ∞ . {\displaystyle \sum _{j\leq 0}\sup _{K}|p_{j}|\epsilon ^{-j}/(-j)!<\infty .} Pseudodifferential operator L
Microdifferential_operator
Feature of some programming languages
programming, operator overloading, sometimes termed operator ad hoc polymorphism, is a specific case of polymorphism, where different operators have different
Operator_overloading
Image edge detection algorithm
The Sobel operator, sometimes called the Sobel–Feldman operator or Sobel filter, is used in image processing and computer vision, particularly within
Sobel_operator
Operator for offsetting time series elements
In time series analysis, the lag operator (L) or backshift operator (B) operates on an element of a time series to produce the previous element. For example
Lag_operator
Class of operator mapping
In mathematics, a nonlocal operator is a mapping that maps a space of functions on a topological space to another space of functions on some domain in
Nonlocal_operator
Kind of linear transformation
In functional analysis and operator theory, a bounded linear operator is a special kind of linear transformation that is particularly important in infinite
Bounded_operator
annihilation operators in a multiple-boson system are, [ a i , a j † ] ≡ a i a j † − a j † a i = δ i j , {\displaystyle [a_{i}^{\,},a_{j}^{\dagger }]\equiv
Jordan_map
Brazilian plane crash
On 3 December 1928, a Dornier Do J seaplane named after the Brazilian aviation pioneer Alberto Santos Dumont crashed into Guanabara Bay, Brazil, during
1928 Dornier J Santos Dumont crash
1928_Dornier_J_Santos_Dumont_crash
Analog of the continuous Laplace operator
In mathematics, the discrete Laplace operator is an analog of the continuous Laplace operator, defined so that it has meaning on a graph or a discrete
Discrete_Laplace_operator
affiliated operators were introduced by Murray and von Neumann in the theory of von Neumann algebras as a technique for using unbounded operators to study
Affiliated_operator
Former telephony occupation
telephony, companies used manual telephone switchboards, and switchboard operators connected calls by inserting a pair of phone plugs into the appropriate
Switchboard_operator
Discrete differentiation operator used in image processing
Prewitt operator is used in image processing, particularly within edge detection algorithms. Technically, it is a discrete differentiation operator, computing
Prewitt_operator
Linear operator scaling by a fixed function
In operator theory, a multiplication operator is a linear operator Tf defined on some vector space of functions and whose value at a function φ is given
Multiplication_operator
Operator in quantum mechanics
quantum mechanics, the momentum operator is the operator associated with the linear momentum. The momentum operator is, in the position representation
Momentum_operator
Company offering air-side aviation services at an airport
A fixed-base operator (FBO) is an organization granted the right by an airport to operate at the airport and provide aeronautical services such as fueling
Fixed-base_operator
Exterior algebraic map taking tensors from p forms to n-p forms
In mathematics, the Hodge star operator or Hodge star is a linear map defined on the exterior algebra of a finite-dimensional oriented vector space endowed
Hodge_star_operator
Mathematical operator
operators were introduced by Charles Dunkl (1989). One of Dunkl's major results was that Dunkl operators "commute," that is, they satisfy T i ( T j f
Dunkl_operator
Chinese version of the Soviet MiG-21
(PLAAF), but numerous international operators have bought their own J-7s. Outside of China, the largest operator of the J-7 is the Pakistan Air Force. Later
Chengdu_J-7
British computer scientist (1930–2009)
Computing Machinery: 157–166. doi:10.1145/365230.365257. S2CID 13409665. J operator List of pioneers in computer science Peter Landin, Lambda the Ultimate
Peter_Landin
Operator of the electric power distribution system
A distribution network operator (DNO), also known as a distribution system operator (DSO), is the operator of the electric power distribution system which
Distribution_network_operator
Database filter
skyline operator is the subject of an optimization problem and computes the Pareto optimum on tuples with multiple dimensions. This operator is an extension
Skyline_operator
In mathematics, Nemytskii operators are a class of nonlinear operators on Lp spaces with good continuity and boundedness properties. They take their name
Nemytskii_operator
(on a complex Hilbert space) continuous linear operator
functional analysis, a normal operator on a complex Hilbert space H {\displaystyle H} is a continuous linear operator N : H → H {\displaystyle N\colon
Normal_operator
Chinese stealth fighter aircraft
facilities, making J-20S the first-ever two-seat stealth fighter. The twin-seat design allows the possibility for the second operator to coordinate attacks
Chengdu_J-20
Chinese multi-role fighter aircraft family
The Chengdu J-10 (Chinese: 歼-10; pinyin: Jiān-Shí), also known as Menglong (Chinese: 猛龙; pinyin: Měnglóng; lit. 'Vigorous Dragon', NATO reporting name:
Chengdu_J-10
Linear operator
A Jacobi operator, also known as Jacobi matrix, is a symmetric linear operator acting on sequences which is given by an infinite tridiagonal matrix. It
Jacobi_operator
Computational operation
"Binary Operators". Haxe - The Cross-platform Toolkit. Retrieved 2026-01-20. "Operators". Microsoft. 30 June 2021. Retrieved 2021-07-19. The % operator is
Modulo
Part of Fredholm theories in integral equations
In mathematics, Fredholm operators are certain operators that arise in the Fredholm theory of integral equations. They are named in honour of Erik Ivar
Fredholm_operator
Tensor operator generalizes the notion of operators which are scalars and vectors
a tensor operator generalizes the notion of operators which are scalars and vectors. A special class of these are spherical tensor operators which apply
Tensor_operator
Type of differential operator
analysis a pseudo-differential operator is an extension of the concept of differential operator. Pseudo-differential operators are used extensively in the
Pseudo-differential_operator
Linear operator on dense subset of its apparent domain
In mathematics – specifically, in operator theory – a densely defined operator or partially defined operator is a type of partially defined function. In
Densely_defined_operator
Hutchinson operator is the collective action of a set of contractions, called an iterated function system. The iteration of the operator converges to
Hutchinson_operator
Continuation that returns a value
The operator was designed to be a generalization of control operators that had been described in the literature such as call/cc from Scheme, ISWIM's J operator
Delimited_continuation
Chinese stealth multirole fighter aircraft
The Shenyang J-35 (Chinese: 歼-35; pinyin: jiān-sānwǔ), also known as the Blue Shark and Cloud Dragon, is a series of Chinese single-seater, twin-engine
Shenyang_J-35
Unary operators that add or subtract one from their operand, respectively
Increment and decrement operators are unary operators that increase or decrease their operand by one. They are commonly found in imperative programming
Increment and decrement operators
Increment_and_decrement_operators
especially functional analysis, a hypercyclic operator on a topological vector space X is a continuous linear operator T: X → X such that there is a vector x
Hypercyclic_operator
Linear mathematical operator which translates a function
particular functional analysis, the shift operator, also known as the translation operator, is an operator that takes a function x ↦ f(x) to its translation
Shift_operator
Functional analysis concept
operator on Hilbert space is an extension of the concept of a matrix acting on a finite-dimensional vector space; in Hilbert space, compact operators
Compact operator on Hilbert space
Compact_operator_on_Hilbert_space
Conjugate transpose of an operator in infinite dimensions
specifically in operator theory, each linear operator A {\displaystyle A} on an inner product space defines a Hermitian adjoint (or adjoint) operator A ∗ {\displaystyle
Hermitian_adjoint
A genetic operator is an operator used in evolutionary algorithms (EA) to guide the algorithm towards a solution to a given problem. There are three main
Genetic_operator
Mathematical tool in quantum physics
operator with these properties can be written as ∑ j p j | ψ j ⟩ ⟨ ψ j | {\textstyle \sum _{j}p_{j}\left|\psi _{j}\right\rangle \left\langle \psi _{j}\right|}
Density_matrix
Operator shifting particles and fields by a certain amount in a certain direction
In quantum mechanics, a translation operator is defined as an operator which shifts particles and fields by a certain amount in a certain direction. It
Translation operator (quantum mechanics)
Translation_operator_(quantum_mechanics)
Computer science concept
In computer science, the reduction operator is a type of operator that is commonly used in parallel programming to reduce the elements of an array into
Reduction_operator
Algebra used in 2D conformal field theories and string theory
state-operator map on a basis b j 1 b j 2 . . . b j k {\displaystyle b_{j_{1}}b_{j_{2}}...b_{j_{k}}} with each j i < 0 {\displaystyle j_{i}<0} , Y ( b j 1
Vertex_operator_algebra
1934 film by Richard Boleslawski
Operator 13 is a 1934 American pre-Code romance film directed by Richard Boleslawski and starring Marion Davies, Gary Cooper, and Jean Parker. Based on
Operator_13
Branch of computer science
which "interprets" lambda expressions. In 1965, Landin introduces the J operator, essentially a form of continuation. In 1966, Landin introduces ISWIM
Programming_language_theory
Employee who supervises an operating plant operations
work' systems covering other workers. Rudman, J.; Corporation, National Learning (1977). Sewage Plant Operator. Career Examination Series (in French). National
Plant_operator
Chinese air superiority fighter
The Shenyang J-11 (Chinese: 歼-11; NATO reporting name: Flanker-B+/Flanker-L), also known as Yinglong (simplified Chinese: 应龙; traditional Chinese: 應龍;
Shenyang_J-11
The Fourier operator is the kernel of the Fredholm integral of the first kind that defines the continuous Fourier transform, and is a two-dimensional function
Fourier_operator
Linear operator
In mathematics, a linear operator T : V → V on a vector space V is semisimple if every T-invariant subspace has a complementary T-invariant subspace. If
Semisimple_operator
Linear operator acting on modular forms
theory of modular forms, a Hecke operator, studied by Erich Hecke (1937a,1937b), is a certain kind of "averaging" operator that plays a significant role
Hecke_operator
Class of differential and integral operators
operators contains differential operators as well as classical integral operators as special cases. A Fourier integral operator T {\displaystyle T} is given
Fourier_integral_operator
Australian pop band
Operator Please were an Australian pop band, originating in the Gold Coast, Queensland, in 2005. Their final line-up consisted of vocalist and guitarist
Operator_Please
Fourth-order PDE in continuum mechanics
biharmonic operator or the bilaplacian operator. In Cartesian coordinates, it can be written in n {\displaystyle n} dimensions as: ∇ 4 φ = ∑ i = 1 n ∑ j = 1
Biharmonic_equation
Bounded operators with sub-unit norm
In operator theory, a bounded operator T: X → Y between normed vector spaces X and Y is said to be a contraction if its operator norm ||T || ≤ 1. Every
Contraction_(operator_theory)
Chinese interceptor aircraft family
The Shenyang J-8 (Chinese: 歼-8; NATO reporting name: Finback) is a family of interceptor aircraft developed by the 601 Institute (Shenyang) in the People's
Shenyang_J-8
1934. They are closely related to operator concave and operator convex functions, and are encountered in operator theory and in matrix theory, and led
Operator_monotone_function
mathematical field of differential geometry, the GJMS operators are a family of differential operators, that are defined on a Riemannian manifold. In an appropriate
GJMS_operator
Set of eigenvalues of a matrix
functional analysis, the spectrum of a bounded linear operator (or, more generally, an unbounded linear operator) is a generalisation of the set of eigenvalues
Spectrum (functional analysis)
Spectrum_(functional_analysis)
Non-self-adjoint compact operator used to solve boundary value problems for the Laplacian
Neumann–Poincaré operator or Poincaré–Neumann operator, named after Carl Neumann and Henri Poincaré, is a non-self-adjoint compact operator introduced by
Neumann–Poincaré_operator
True when either but not both inputs are true
but not A and B". It is symbolized by the prefix operator J {\displaystyle J} and by the infix operators XOR (/ˌɛks ˈɔːr/ or /ˈksɔːr/), EOR, EXOR, ∨ ˙ {\displaystyle
Exclusive_or
J OPERATOR
J OPERATOR
Girl/Female
English
Based on the initials J. C. or an abbreviation of Jacinda.
Girl/Female
American, Australian, British, English
Initials J and C Combined; Jaybird; Based on the Initials J C or an Abbreviation of Jacinda; A Blue; Crested Bird
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Moon in the Water; J God Shiva
Girl/Female
American, British, English
Initials J and C Combined; Based on the Initials J C or an Abbreviation of Jacinda
Girl/Female
American, Australian, British, English
Initials J and C Combined; Based on the Initials J C or an Abbreviation of Jacinda
Girl/Female
American, British, English
Based on the Initials J C; An Abbreviation of Jacinda
Girl/Female
English
Based on the initials J. C. or an abbreviation of Jacinda.
Boy/Male
American, Australian, Chinese, Greek
A Healing; A Combination of the Initials J and C
Girl/Female
English
Based on the initials J. C. or an abbreviation of Jacinda.
Boy/Male
American, Australian, British, English
Phonetic Name Based on Initials; Combination of Initials J and D
Girl/Female
English
Based on the initials J. C. or an abbreviation of Jacinda.
Girl/Female
American, Australian, British, English
Based on the Initials J C; To Protect; An Abbreviation of Jacinda
Girl/Female
English
Based on the initials J. C. or an abbreviation of Jacinda.
Boy/Male
American, Australian
From the Initials J C
Girl/Female
American, Australian, British, Chinese, English
Attractive; Based on the Initials J C; An Abbreviation of Jacinda
Girl/Female
English American
Based on the initials J. C. or an abbreviation of Jacinda.
Girl/Female
American, Australian, Greek
Hyacinth Flower; Healer; Beautiful; Initials J and C Combined
Girl/Female
English
Based on the initials J. C. or an abbreviation of Jacinda.
Boy/Male
American, British, English
Attractive; From the Initials J C
Girl/Female
English American
Based on the initials J. C. or an abbreviation of Jacinda.
J OPERATOR
J OPERATOR
Girl/Female
Tamil
Tender
Girl/Female
Hindu, Indian
Bird
Boy/Male
Hindu, Indian
Pure Water
Boy/Male
Arabic
Early Imam (Leader) of Islam
Girl/Female
Assamese, Bengali, Gujarati, Hindu, Indian, Kannada, Sanskrit, Telugu
Godess Laxmi
Male
Irish
Irish Gaelic form of English Geoffrey, probably SÉAFRA means "God's peace."Â
Girl/Female
Muslim/Islamic
Gift
Boy/Male
Tamil
Toshanav | தோஷாநவÂ
Boy/Male
Hindu, Indian, Kannada, Tamil
God Kannan
Girl/Female
Assamese, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Tamil, Telugu
Pious; Truth
J OPERATOR
J OPERATOR
J OPERATOR
J OPERATOR
J OPERATOR
n.
An instrument for writing by means of type, a typewheel, or the like, in which the operator makes use of a sort of keyboard, in order to obtain printed impressions of the characters upon paper.
n.
A male person having another living being so far subject to his will, that he can, in the main, control his or its actions; -- formerly used with much more extensive application than now. (a) The employer of a servant. (b) The owner of a slave. (c) The person to whom an apprentice is articled. (d) A sovereign, prince, or feudal noble; a chief, or one exercising similar authority. (e) The head of a household. (f) The male head of a school or college. (g) A male teacher. (h) The director of a number of persons performing a ceremony or sharing a feast. (i) The owner of a docile brute, -- especially a dog or horse. (j) The controller of a familiar spirit or other supernatural being.
n.
See Fit a song. G () G is the seventh letter of the English alphabet, and a vocal consonant. It has two sounds; one simple, as in gave, go, gull; the other compound (like that of j), as in gem, gin, dingy. See Guide to Pronunciation, // 231-6, 155, 176, 178, 179, 196, 211, 246.
n.
One who explains the higher functions and relations of the soul by the association of ideas; e. g., Hartley, J. C. Mill.
n.
The symbol that expresses the operation to be performed; -- called also facient.
adv.
Certainly; most likely; truly; probably. Z () Z, the twenty-sixth and last letter of the English alphabet, is a vocal consonant. It is taken from the Latin letter Z, which came from the Greek alphabet, this having it from a Semitic source. The ultimate origin is probably Egyptian. Etymologically, it is most closely related to s, y, and j; as in glass, glaze; E. yoke, Gr. /, L. yugum; E. zealous, jealous. See Guide to Pronunciation, // 273, 274.
n.
A quantity of explosives anchored in a channel, beneath the water, or set adrift in a current, and so arranged that they will be exploded when touched by a vessel, or when an electric circuit is closed by an operator on shore.
n.
A small haven. See Hithe. I () I, the ninth letter of the English alphabet, takes its form from the Phoenician, through the Latin and the Greek. The Phoenician letter was probably of Egyptian origin. Its original value was nearly the same as that of the Italian I, or long e as in mete. Etymologically I is most closely related to e, y, j, g; as in dint, dent, beverage, L. bibere; E. kin, AS. cynn; E. thin, AS. /ynne; E. dominion, donjon, dungeon.
n.
Any one of several species of Old World birds of the genus Jynx, allied to the woodpeckers; especially, the common European species (J. torguilla); -- so called from its habit of turning the neck around in different directions. Called also cuckoo's mate, snakebird, summer bird, tonguebird, and writheneck.
a.
Pertaining to, or discovered by, J. F. Meckel, a German anatomist.
n.
A shrubby plant of the genus Jasminum, bearing flowers of a peculiarly fragrant odor. The J. officinale, common in the south of Europe, bears white flowers. The Arabian jasmine is J. Sambac, and, with J. angustifolia, comes from the East Indies. The yellow false jasmine in the Gelseminum sempervirens (see Gelsemium). Several other plants are called jasmine in the West Indies, as species of Calotropis and Faramea.
n.
A dealer in stocks or any commodity for speculative purposes; a speculator.
n.
Any finch of the genus Junco which appears in flocks in winter time, especially J. hyemalis in the Eastern United States; -- called also blue snowbird. See Junco.
n.
One who sends telegraphic messages; a telegraphic operator; a telegraphist.
a.
Godlike; heavenly; excellent in the highest degree; supremely admirable; apparently above what is human. In this application, the word admits of comparison; as, the divinest mind. Sir J. Davies.
n.
A laboratory.
a.
Of or pertaining to the Englishman J. L. M. Smithson, or to the national institution of learning which he endowed at Washington, D. C.; as, the Smithsonian Institution; Smithsonian Reports.
n.
The letter z; -- formerly so called. J () J is the tenth letter of the English alphabet. It is a later variant form of the Roman letter I, used to express a consonantal sound, that is, originally, the sound of English y in yet. The forms J and I have, until a recent time, been classed together, and they have been used interchangeably.