micro: Meaning and Definition of

mi•cro

1. extremely small.
2. minute in scope or capability.
3. of or pertaining to microcomputers.
4. of or pertaining to microeconomics.

1. anything extremely small in scope or capability.
2. a microcomputer.
3. microeconomics.

micro-

1. a combining form with the meanings “small” (microcosm; microgamete), “very small in comparison with others of its kind” (microcassette; microlith), “too small to be seen by the unaided eye” (microfossil; microorganism), “dealing with extremely minute organisms, organic structures, or quantities of a substance” (microdissection; microscope), “localized, restricted in scope or area” (microburst; microhabitat), “(of a discipline) focusing on a restricted area” (microeconomics), “containing or dealing with texts that require enlargement to be read” (microfilm; microreader), “one millionth” (microgram).