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Second order partial differential equation
Photon diffusion equation is a second order partial differential equation describing the time behavior of photon fluence rate distribution in a low-absorption
Photon_diffusion_equation
Equation that describes density changes of a material that is diffusing in a medium
The diffusion equation is a parabolic partial differential equation. In physics, it describes the macroscopic behavior of many micro-particles in Brownian
Diffusion_equation
astrophysics, photon diffusion occurs inside a stellar atmosphere. To describe this phenomenon, one should develop the transfer equation in moments and
Photon_diffusion
here is the diffusion approximation. Overall, solutions to the diffusion equation for photon transport are more computationally efficient, but less accurate
Radiative transfer equation and diffusion theory for photon transport in biological tissue
Radiative_transfer_equation_and_diffusion_theory_for_photon_transport_in_biological_tissue
Physical process in cosmology
In modern cosmological theory, diffusion damping, also called photon diffusion damping, is a physical process which reduced density inequalities (anisotropies)
Diffusion_damping
Transport of dissolved species from the highest to the lowest concentration region
diffusion, diffusion of molecules from more dense to less dense areas Momentum diffusion ex. the diffusion of the hydrodynamic velocity field Photon diffusion
Diffusion
Topics referred to by the same term
of heat Momentum diffusion Diffusion equation Heat equation Schrödinger equation Eddy diffusion Anomalous diffusion, the movement of particles from a region
Diffusion_(disambiguation)
Partial differential equation describing physical fields
at least two variables. Whereas the "wave equation", the "diffusion equation", and the "continuity equation" all have standard forms (and various special
Field_equation
Electrical engineering equation
influence of its internal junction and diffusion capacitance and reverse recovery time. Shockley derives an equation for the voltage across a p-n junction
Shockley_diode_equation
equations model a laser with multiple optical modes. This formulation requires one equation for the carrier density, and one equation for the photon density
Laser_diode_rate_equations
for photon transport in tissue uses the advantages and eliminates the deficiencies of both the Monte Carlo method and the diffusion theory for photon transport
Hybrid theory for photon transport in tissue
Hybrid_theory_for_photon_transport_in_tissue
Use of light for medical investigation
removal. Ballistic photon Diffuse optical imaging Optical coherence tomography Optical tomography Photon diffusion Photon diffusion equation Laser Doppler
Medical_optical_imaging
Modeling application
modeling photon transport analytically by the radiative transfer equation (RTE), which describes the motion of photons using a differential equation. However
Monte Carlo method for photon transport
Monte_Carlo_method_for_photon_transport
Computer graphics method
describing illumination in a scene using the rendering equation, or light transport equation, and finding an approximate solution using Monte Carlo integration
Path_tracing
Energy transfer in the form of electromagnetic radiation
Planck's law Radiative transfer equation and diffusion theory for photon transport in biological tissue Schwarzschild's equation for radiative transfer Vector
Radiative_transfer
Technique for determining size distribution of particles
fluctuations are usually analyzed using the intensity or photon autocorrelation function (also known as photon correlation spectroscopy – PCS or quasi-elastic
Dynamic_light_scattering
Experimental technique in cell biology
the bleached region. This diffusion proceeds in an ordered fashion, analytically determinable from the diffusion equation. Assuming a Gaussian profile
Fluorescence recovery after photobleaching
Fluorescence_recovery_after_photobleaching
explains the process by which light energy in photons is converted into electric current when the photons strike a suitable semiconductor device. The theoretical
Theory_of_solar_cells
Mathematical concept applicable to physics
with suffix "e" (for "energetic") to avoid confusion with photometric or photon quantities. Alternative symbols sometimes seen: W or E for radiant energy
Flux
Space propulsion method using Sun radiation
Solar sails (also known as lightsails, light sails, and photon sails) are a method of spacecraft propulsion using radiation pressure exerted by sunlight
Solar_sail
Dynamic disturbance in a medium or field
after people Phase velocity Photon Polarization (physics) Propagation constant Radio propagation Ray (optics) Reaction–diffusion system Reflection (physics)
Wave
Region of a star
L=-4\pi \,r^{2}D{\frac {\partial u}{\partial r}}} Where D is the photons diffusion coefficient, and u is the energy density. The energy density is related
Radiative_zone
Biological process to convert light into chemical energy
the equation for this process is: CO2carbon dioxide + 2H2Owater + photonslight energy → [CH2O]carbohydrate + O2oxygen + H2Owater This equation emphasizes
Photosynthesis
direction predicted by the drift-diffusion equation. For example, it might be the case that when an electron absorbs a photon, it is disproportionately likely
Anomalous_photovoltaic_effect
Type of statistical analysis
two-photon or three-photon excitation FCS. Wikimedia Commons has media related to Fluorescence correlation spectroscopy. Confocal microscopy Diffusion coefficient
Fluorescence correlation spectroscopy
Fluorescence_correlation_spectroscopy
Equation in stellar astrophysics
L=-4\pi \,r^{2}D{\frac {\partial u}{\partial r}}} where D is the photons diffusion coefficient, and u is the energy density. Note that this assumes that
Mass–luminosity_relation
Measure of the deviation of position over time
(describing vibrations within the solid state) and in the Langevin equation (describing diffusion of a Brownian particle). The MSD at time t {\displaystyle t}
Mean_squared_displacement
Medical imaging and optical technique
media, the photon fluence rate obeys the time-dependent diffusion equation, shown in equation 2. Optical imaging variables used in these equation are here
Diffuse correlation spectrometry
Diffuse_correlation_spectrometry
"therapeutic window" spectral range. Photon migration in diffusive media is described by the heuristic model of the diffusion equation, which offers analytical solutions
Diffuse_optical_imaging
Absorption of radiation by atoms in the same system as those who emitted it
multiple-scattering phenomena, where a photon is scattered by multiple atoms in a cloud. This motivates treatment as a diffusion problem. As such, one can primarily
Radiation_trapping
Scientific law that a closed system's mass remains constant
system. The continuity equation for the mass is part of the Euler equations of fluid dynamics. Many other convection–diffusion equations describe the conservation
Conservation_of_mass
Thermal engineering discipline concerning transfer of heat in physical systems
transport equations for thermal energy (Fourier's law), mechanical momentum (Newton's law for fluids), and mass transfer (Fick's laws of diffusion) are similar
Heat_transfer
Range of physical processes in physics
scattering Neutron scattering Phase space measurement with forward modeling Photon diffusion Powder diffraction Raman scattering Rayleigh scattering Resonances
Scattering
Formulation of quantum mechanics
theory, as described by the Schrödinger equation, but it offers a more detailed view. The Schrödinger equation can be used to compute the probability of
Quantum_Trajectory_Theory
Statement based on repeated empirical observations that describes some natural phenomenon
continuity equations, are collected for comparison. More general equations are the convection–diffusion equation and Boltzmann transport equation, which have
Scientific_law
Measure of radiant energy over surface area
with suffix "e" (for "energetic") to avoid confusion with photometric or photon quantities. Alternative symbols sometimes seen: W or E for radiant energy
Irradiance
Physical phenomenon of electronic band structures
the minority carrier diffusion length in semiconductors. It is a form of photoluminescence spectroscopy where the emitted photon decay is measured over
Band_bending
Terms in a mathematical expression with the largest order of magnitude
mathematical equation, expression or model are the terms with the largest order of magnitude. The sizes of the different terms in the equation(s) will change
Leading-order_term
Swiss physicist
teleportation over long distances. In the latter experiment the receiving photon was hundreds of meters away when the Bell state measurement that triggers
Nicolas_Gisin
Family of solutions to related differential equations
theory, Mindlin–Reissner plate theory) Diffusion problems on a lattice Solutions to the Schrödinger equation in spherical and cylindrical coordinates
Bessel_function
High-energy particle, mainly originating outside the Solar System
astrophysical plasmas. The equation comprises diffusion terms both in coordinate space and in momentum space. The equation is used for studying energetic
Cosmic_ray
Thermodynamically open system which is not in equilibrium
behavior. If spatial effects are taken into account through a reaction–diffusion equation, long-range correlations and spatially ordered patterns arise, such
Dissipative_system
Rendering method
such as ray casting, recursive ray tracing, distribution ray tracing, photon mapping and path tracing, are generally slower and higher fidelity than
Ray_tracing_(graphics)
Property of an object or substance that is impervious to light
)^{-1}} . The Rosseland opacity is derived in the diffusion approximation to the radiative transport equation. It is valid whenever the radiation field is
Opacity
Kind of single molecule imaging
measure the photon arrival time with respect to the last laser pulse with picosecond resolution, in the so-called time-correlated single photon counting
Single-molecule_FRET
Optical technique for monitoring brain activity
total corrected photon path-length. Using a dual wavelength system, measurements for HbO2 and Hb can be solved from the matrix equation: ( Δ OD λ 1 Δ OD
Functional near-infrared spectroscopy
Functional_near-infrared_spectroscopy
Radiative transfer equation and diffusion theory for photon transport in biological tissue Monte Carlo method Monte Carlo method for photon transport Optical
Convolution for optical broad-beam responses in scattering media
Convolution_for_optical_broad-beam_responses_in_scattering_media
Operators useful in quantum mechanics
consider the simpler bosonic case of the photons of the quantum harmonic oscillator. Start with the Schrödinger equation for the one-dimensional time independent
Creation and annihilation operators
Creation_and_annihilation_operators
Properties of mathematical relationships
differential equations governing many systems; for instance, the Maxwell equations or the diffusion equation. Linearity of a homogeneous differential equation means
Linearity
Solar power cell with multiple band gaps from different materials
derive the photon flux by numerically integrating the photon flux per photon energy with respect to photon energy. The numerically integrated photon flux is
Multi-junction_solar_cell
Material science measurement method
dispersion equations specify n and k for amorphous and crystalline materials as a function of photon energy E. Values of n and k as a function of photon energy
Refractive index and extinction coefficient of thin film materials
Refractive_index_and_extinction_coefficient_of_thin_film_materials
Passage of fluid through the circulatory or lymphatic system to an organ or tissue
methods which are mainly positron emission tomography (PET) and single photon emission computed tomography (SPECT).[citation needed] Various radiopharmaceuticals
Perfusion
Physical quantities taking values at each point in space and time
and fluid dynamics; temperature/concentration fields for the heat/diffusion equations. Outside of physics proper (e.g., radiometry and computer graphics)
Field_(physics)
Probabilistic problem-solving algorithm
neutron diffusion and other questions of mathematical physics, and more generally how to change processes described by certain differential equations into
Monte_Carlo_method
Group of rendering algorithms used in 3D computer graphics
approximations of the rendering equation. Well-known algorithms for computing global illumination include path tracing, photon mapping and radiosity. The following
Global_illumination
Producing images of 3D scenes
to photon mapping, tracing rays from the light source and the camera separately, and then finding ways to connect these paths (but unlike photon mapping
Rendering_(computer_graphics)
Electric current generation from light
photovoltaic effect can also occur when two photons are absorbed simultaneously in a process called two-photon photovoltaic effect. In addition to the direct
Photovoltaic_effect
Change in energies of a thermodynamic system with respect to particle number
coefficients is zero, as the free energy is at a minimum. In a system in diffusion equilibrium, the chemical potential of any chemical species is uniformly
Chemical_potential
Escape of gases from the atmosphere
Boltzmann transport equation. We can simplify the above equation considerably with several assumptions. We will consider only vertical diffusion, and a neutral
Diffusion-limited_escape
Pulmonary function measurement
was developed by Kang, Sapoval and colleagues, who solved the diffusion–reaction equations for simplified capillary–red cell geometries from first principles
Pulmonary diffusing capacity for nitric oxide
Pulmonary_diffusing_capacity_for_nitric_oxide
Vaporization of a liquid from its surface
the evaporation surface decreasing with flow velocity, decreasing the diffusion distance in the stagnant layer. The amount of minerals dissolved in the
Evaporation
Modelling the appearance of paint coatings
particulate samples. They are embodied in various theories, including diffusion theory, the equation of radiation transfer, as well as Kubelka–Munk. In spite of
Kubelka–Munk_theory
Austrian mathematician and theoretical physicist (1844–1906)
edu/ECE539S12-Lectures/Chapter2-DriftDiffusionModels.pdf AN OVERVIEW OF THE BOLTZMANN TRANSPORT EQUATION SOLUTION FOR NEUTRONS, PHOTONS AND ELECTRONS IN CARTESIAN
Ludwig_Boltzmann
Range of wavelengths from 650 to 1350 nanometre
Since scattering increases the distance travelled by photons within tissue, the probability of photon absorption also increases. The NIR window is primarily
Near-infrared window in biological tissue
Near-infrared_window_in_biological_tissue
not justify or explain, the equation E = p c {\displaystyle E=pc} , where p {\displaystyle p} is the momentum of the photon and c {\displaystyle c} is
List of scientific publications by Albert Einstein
List_of_scientific_publications_by_Albert_Einstein
fluorescent proteins is limited by low fluence changes, as the light diffusion equation predicts lower than 5% increase. Photoacoustic microscopy achieves
Photoacoustic_microscopy
path integrals Quantum Monte Carlo Diffusion Monte Carlo — uses a Green function to solve the Schrödinger equation Gaussian quantum Monte Carlo Path integral
List of numerical analysis topics
List_of_numerical_analysis_topics
Trace radiation from the early universe
oscillations and diffusion damping (also called collisionless damping or Silk damping). The acoustic oscillations arise because of a conflict in the photon–baryon
Cosmic_microwave_background
Quantum-mechanical version of computer memory
of any state, and a mechanism for converting predetermined photons into on-demand photons. Quantum memory can be used in many aspects, such as quantum
Quantum_memory
Spin of an electron
It also highlights why the Schrödinger equation, although superficially in the form of a diffusion equation, actually represents the propagation of waves
Electron_magnetic_moment
Relation between properties of diodes
between absorption of photons and radiative recombination can be mathematically expressed using the van Roosbroeck–Shockley equation as k rad n i 2 = ∫ α
Reciprocity_(optoelectronic)
Response if an optical system to a point source of light
imaging of B and vice versa, owing to the non-interacting property of photons. In space-invariant systems, i.e. those in which the PSF is the same everywhere
Point_spread_function
Quasi-particle
forbidden and the most efficient alternative is coherent nondegenerate two-photon excitation, using | 01 ⟩ {\displaystyle |01\rangle } or | 10 ⟩ {\displaystyle
Biexciton
Law of physics and chemistry
related to energy and vice versa by E = m c 2 {\displaystyle E=mc^{2}} , the equation representing mass–energy equivalence, and science now takes the view that
Conservation_of_energy
Device used to detect, track, and/or identify ionising particles
summarized as follows: The detector identifies high-energy particles or photons—such as alpha, beta, gamma radiation, or neutrons—through their interactions
Particle_detector
Medical intervention
diffuse optical tomography (DOT), transmitted diffuse photons are collected and a diffusion equation is used to reconstruct an image from them. A variant
Optical_tomography
Features that do not change if length or energy scales are multiplied by a common factor
differential equations for φ, and these equations are known as field equations. For a theory to be scale-invariant, its field equations should be invariant
Scale_invariance
Photonic systems which use silicon as an optical medium
including the Kerr effect, the Raman effect, two-photon absorption and interactions between photons and free charge carriers. The presence of nonlinearity
Silicon_photonics
Light-matter quasiparticle
excitons (either in bulk or quantum wells) and photons. Because light excitations are observed classically as photons, which are massless particles, they do not
Exciton-polariton
Aspect of physical cosmology
will grow at an increasing rate. Redshift will stretch ancient ambient photons (including gamma rays) to undetectably long wavelengths and low energies
Future of an expanding universe
Future_of_an_expanding_universe
Quantum mechanical statistic
equation to be explicitly solved, and it can be integrated in simulations, such as Monte Carlo simulations using the hydrodynamic and drift diffusion
Quantum_potential
Field of physics dealing with nuclear reactors
by a nucleus), then the reactor will follow the differential equation (evolution equation). d N d t = α N τ {\displaystyle {\frac {dN}{dt}}={\frac {\alpha
Nuclear_reactor_physics
Subfield of astronomy
it. Przybylski's Star – Exhibits anomalous heavy elements, challenging diffusion theories. SDSS J120136.02+300305.5 – Quasar exemplifying supermassive
Outline_of_astrophysics
Shape and size of a digital camera's image sensor
{PQ_{e}t+Dt+N_{r}^{2}}}}} where P {\displaystyle P} is the incident photon flux (photons per second in the area of a pixel), Q e {\displaystyle Q_{e}} is
Image_sensor_format
differential equations using a hierarchy of discretizations Partial differential equation: Crank–Nicolson method for diffusion equations Finite difference
List_of_algorithms
State of matter
\theta } given by the wavelength λ {\displaystyle \lambda } of the probe (photon or neutron) and the Bragg angle θ {\displaystyle \theta } . The oscillations
Liquid
Series of techniques in optical microscopy
following the Ernst Abbe equation d = λ/(2 N.A.). (unit m) * a is the size of each image pixel. (unit m) * Nsig is the photon counts of the total PSF over
Super-resolution_microscopy
Simulation of light in computer graphics
patches, then a large set of equations needs to be solved simultaneously in order to get the final radiosity of each patch. Photon mapping was created as a
Computer_graphics_lighting
German-born theoretical physicist (1879–1955)
arises from special relativity, has been called "the world's most famous equation". He received the 1921 Nobel Prize in Physics for "his services to theoretical
Albert_Einstein
Computer graphics rendering method using diffuse reflection
is an application of the finite element method to solving the rendering equation for scenes with surfaces that reflect light diffusely. Unlike rendering
Radiosity_(computer_graphics)
Medical diagnostic method
optical imaging Optical tomography Radiative transfer equation and diffusion theory for photon transport in biological tissue Near-infrared window in
Diffuse_optical_mammography
Imaging and diffraction using electrons that pass through samples
technique is the Photon-Induced Near-field Electron Microscopy (PINEM). The latter is based on the inelastic coupling between electrons and photons in presence
Transmission electron microscopy
Transmission_electron_microscopy
CITATION, 3-D MultiGroup Diffusion with 1st Order Perturbation and Criticality Search ccc-0643 CITATION-LDI2, 2-D MultiGroup Diffusion, Perturbation, Criticality
List of software for nuclear engineering
List_of_software_for_nuclear_engineering
Frequency domain representation of random fluctuations in the phase of a waveform
white noise can be understood as a random walk or diffusion process, with a characteristic diffusion coefficient D {\displaystyle D} . The variance of
Phase_noise
Computer graphics rendering technique
overlays the images. Spectral rendering is often used in ray tracing or photon mapping to more accurately simulate the scene, often for comparison with
Spectral_rendering
to describe atomic nuclei by solving the non-relativistic Schrödinger equation for all constituent nucleons and the forces that exist between them. Such
Glossary_of_physics
physical optics, for photons, neutrons, or rarefied gases. In mathematical physics, this law arises as a solution of the BGK equation. Belt A closed loop
Glossary_of_engineering:_A–L
Transistor that uses both electrons and holes as charge carriers
depositing metal pellets to form alloy junctions, or by such methods as diffusion of n-type and p-type doping substances into the crystal. The superior
Bipolar_junction_transistor
Sin-Itiro Tomonaga Sine–Gordon equation Singing arc Singing sand Single-molecule magnet Single-particle spectrum Single-photon emission computed tomography
Index_of_physics_articles_(S)
Imaging Instrument
developed based upon STM. These include photon scanning microscopy (PSTM), which uses an optical tip to tunnel photons; scanning tunneling potentiometry (STP)
Scanning_tunneling_microscope
PHOTON DIFFUSION-EQUATION
PHOTON DIFFUSION-EQUATION
Male
Greek
Greek name PHAETON means "the shining one." In mythology, this is the name of one of the steeds of Aurora. The other is Abrax.
Male
Native American
Native American Miwok name HONON means "bear."
Surname or Lastname
English
English : habitational name from Penton Mewsey, Hampshire, which is named with Old English pening ‘penny’ + tūn ‘farmstead’, ‘settlement’, i.e. a farmstead paying a penny rent.
Male
Greek
(Φώτιος) Greek name derived from the element phos, PHOTIOS means "light."
Surname or Lastname
English
English : variant of Whitton.James Whiton of Hingham, Norfolk, England, came to Plymouth, MA, in 1635.
Male
Greek
(Πλάτων) Greek name derived from the word platys, PLATON means "broad, flat; plateau."
Boy/Male
Biblical
Diffusion; inclination; theft.
Surname or Lastname
English, northern Irish, and Scottish
English, northern Irish, and Scottish : from a pet form of the personal name Pate.The American general George Patton (1885–1945) was born in San Gabriel, CA, into a family with a long military tradition. His earliest American ancestor, Robert Patton, had emigrated from Scotland to VA c.1770.
Surname or Lastname
English and Irish (County Donegal)
English and Irish (County Donegal) : variant spelling of Payton.
Boy/Male
Biblical
Diffusion; inclination; theft.
Surname or Lastname
English (mainly central and northwestern England)
English (mainly central and northwestern England) : habitational name from Hooton in Cheshire, or from Hooton Levitt, Hooton Pagnell, or Hooton Roberts in South Yorkshire, all named with Old English hÅh ‘spur of land’ + tÅ«n ‘farmstead’.See Hooten.
Male
Greek
(Φόβος) Greek name PHOBOS means "fear." In mythology, this is the name of a son of Ares. It is also the name of a moon of Mars.
Male
Greek
(ΠλοÏτων) Greek name derived from the word ploutos, PLOUTON means "wealth." In mythology, this is the name of a god of the underworld.Â
Female
Greek
(Φωτινή) Greek name derived from the word phos, PHOTINE means "light."
Surname or Lastname
English
English : topographic name for someone who lived by a postern gate, from Old French posterne; in some cases it would have been a metonymic occupational name for a gatekeeper.English : habitational name from Poston in Herefordshire or Poston in Shropshire, which is named with an Old English personal name Possa + þorn ‘thorn tree’.
Surname or Lastname
English (mainly Cambridgeshire)
English (mainly Cambridgeshire) : habitational name from a place in Lincolnshire called Panton, from Old English pamp ‘hill’, ‘ridge’ or panne ‘pan’ + tūn ‘enclosure’, ‘settlement’.
Surname or Lastname
English
English : probably a reduced form of Thornton, or a habitational name from Thorton in Marnhull, Dorset, which has the same origin.
Male
Greek
(Φίλων) Greek name derived from the word phileo, PHILON means "to love."
Surname or Lastname
English
English : habitational name from Pelton, a place in County Durham, named from an unattested Old English personal name Pēola + tūn ‘farmstead’, ‘settlement’.
Male
English
Variant spelling of English unisex Payton, PEYTON means "Pæga's settlement."
PHOTON DIFFUSION-EQUATION
PHOTON DIFFUSION-EQUATION
Surname or Lastname
English
English : habitational name from any of various places named Stanford, for example in Bedfordshire, Kent, and Norfolk, or Stanford Dingley in Berkshire, Stanford in the Vale in Oxfordshire, or Stanford le Hope in Essex, etc., all named from Old English stÄn ‘stone’ + ford ‘ford’.An early bearer, Thomas Stanford of England, settled in Charlestown, MA, in the mid 17th century and started a family line that includes Leland Stanford (1824–93), the railroad developer who was governor of CA, a U.S. senator, and the founding benefactor of Stanford University.
Boy/Male
Bengali, Indian
Beautiful
Boy/Male
Muslim
A mighty ruler
Girl/Female
Tamil
Brightness
Surname or Lastname
English
English : habitational name from either of two places, one in Surrey, the other in Wiltshire. The former is named in Old English as ‘Imma’s enclosure’ (see Worth); the latter as ‘Imma’s lake’ (from mere ‘lake’, ‘pond’).Jewish (Ashkenazic) : variant of Ingber, from Yiddish imber ‘ginger’.German : nickname for an industrious person or metonymic occupational name for a beekeeper, from Middle High German imbe, imme ‘bee’.
Boy/Male
Gujarati, Hindu, Indian, Kannada
Gem of Gems
Male
German
Modern German form of Old High German Heribert, HERBERT means "bright army."Â
Girl/Female
Indian, Tamil
Good Wealth; Beauty
Boy/Male
Muslim
Promise
Girl/Female
Indian
Immortal
PHOTON DIFFUSION-EQUATION
PHOTON DIFFUSION-EQUATION
PHOTON DIFFUSION-EQUATION
PHOTON DIFFUSION-EQUATION
PHOTON DIFFUSION-EQUATION
n.
Effusion; loss.
n.
A decoction or infusion.
n.
A handsome American butterfly (Euphydryas, / Melitaea, Phaeton). The upper side of the wings is black, with orange-red spots and marginal crescents, and several rows of cream-colored spots; -- called also Baltimore.
n.
A South American butterfly (Ithonia phono) having nearly transparent wings.
n.
The act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body. Unlike absorption, diffusion may go on after death, that is, after the blood ceases to circulate.
n.
Infusion.
pl.
of Phyton
a.
Expansive; diffusive.
n.
The emission and diffusion of rays of light.
a.
Having the quality of diffusing; capable of spreading every way by flowing; spreading widely; widely reaching; copious; diffuse.
n.
A flowing in; infusion.
pl.
of Cornet-a-piston
a.
Prepared by diffusion through an animal membrane; as, dialyzed iron.
a.
Having power to diffuse itself; diffusing itself.
n.
The act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion.
n.
The act of pouring out; as, effusion of water, of blood, of grace, of words, and the like.
v. t.
The act of infusing, pouring in, or instilling; instillation; as, the infusion of good principles into the mind; the infusion of ardor or zeal.
adv.
In a diffusive manner.
pl.
of Photo
n.
One opposed to the diffusion of knowledge; an obscuriantist.