n.
Pronunciation: ' m ī -kr ō - ˌ str ə k-ch ə r
Function: noun
Etymology: International Scientific Vocabulary
Date: 1881
: the microscopic structure of a material (as a mineral or a biological cell)
– mi · cro · struc · tur · al \ ˌ m ī -kr ō - ' str ə k-ch ə -r ə l, - ' str ə k-shr ə l \ adjective