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Definition of: micro
1. In the metric and other systems of measurement, the one-millionth part of (the specified unit):
microampere | microfarad | micromho |
microangstrom | microhenry | micromicron |
microbar | microhm | microphot |
microcoulomb | microjoule | microvolt |
microcurie | microlux | microwatt |
2. An apparatus or instrument which enlarges in size or volume: microphone.
3. Exceptionally or abnormally small: micro-organism.
4. Microscopic; using or requiring a microscope:
microbotany | micropathology |
microgeology | micropetrography |
microhistology | micropetrology |
micromechanics | microphysiography |
micrometallurgy | microphysiology |
micromineralogy | microzoology |
Also, before vowels, sometimes micr-. [<Gk. mikros small]
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