n.
Pronunciation: di- ' fyü-zh ə n
Function: 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 \ - ' fyü-zh ə -n ə l \ adjective