First Known Use: 1923
Dictionary
1micro
adjective mi·cro \ˈmī-(ˌ)krō\
Definition of MICRO
1
: very small; especially : microscopic
2
: involving minute quantities or variations
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Origin of MICRO
micr-
2micro
noun
plural micros
Definition of MICRO
1
2
First Known Use of MICRO
1971
Medical Dictionary
micro
adjective mi·cro \ˈmī-(ˌ)krō\
Medical Definition of MICRO
1
: very small; especially : microscopic
2
involving minute quantities or variations
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