Meaning of micro

mi•cro

Pronunciation: (mī'krō), [key]
— adj., n., pl. -cros.
—adj.
  1. extremely small.
  2. minute in scope or capability.
  3. of or pertaining to microcomputers.
  4. of or pertaining to microeconomics.
—n.
  1. anything extremely small in scope or capability.
  2. a microcomputer.
  3. microeconomics.

micro-

Pronunciation: [key]
  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).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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