Meaning of DIFFUSION in English

DIFFUSION

transcription, транскрипция: [ di-ˈfyü-zhən ]

noun

Date: 14th century

1. : the action of diffusing : the state of being diffused

2. : prolixity , diffuseness

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-n ə l adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.