Dictionary

diffusion

noun dif·fu·sion \di-ˈfyü-zhən\

Definition of DIFFUSION

1
:  the action of diffusing :  the state of being diffused
3
a :  the process whereby particles of liquids, gases, or solids intermingle as the result of their spontaneous movement caused by thermal agitation and in dissolved substances move from a region of higher to one of lower concentration
b (1) :  reflection of light by a rough reflecting surface
(2) :  transmission of light through a translucent material :  scattering
4
:  the spread of cultural elements from one area or group of people to others by contact
5
:  the softening of sharp outlines in a photographic image
dif·fu·sion·al \-ˈfyü-zhə-nəl\ adjective

Examples of DIFFUSION

  1. <the author's tendency toward diffusion makes the novel a tedious read>

First Known Use of DIFFUSION

14th century

Other Physics Terms

amplitude, centrifugal, centripetal, convection, gradient, hysteresis, kinetic, lase, quantum
DIFFUSIONAL Defined for Kids

diffusion

noun dif·fu·sion \di-ˈfyü-zhən\

Definition of DIFFUSION for Kids

1
:  the act of spreading or allowing to spread freely
2
:  the mixing of particles of liquids or gases so that they move from a region of high concentration to one of lower concentration
Medical Dictionary

diffusion

noun dif·fu·sion \dif-ˈyü-zhən\

Medical Definition of DIFFUSION

1
:  the process whereby particles of liquids, gases, or solids intermingle as the result of their spontaneous movement caused by thermal agitation and in dissolved substances move from a region of higher to one of lower concentration
2
a :  reflection of light by a rough reflecting surface b :  transmission of light through a translucent material
dif·fu·sion·al \-ˈyüzh-nəl, -ən-əl\ adjective

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Next Word in the Dictionary: diffusion coefficientPrevious Word in the Dictionary: diffuserAll Words Near: diffusion
July 06, 2015
categorical Hear it
absolute or relating to a category
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