Micro definition

mīkrō
Frequency:
Very small or microscopic.
adjective
20
8
Small, very small, or on a small scale.

Macro and micro issues.

adjective
7
2
Something very small.
noun
3
2
Micro is defined as something very tiny.

An example of a micro is bacteria.

noun
1
0
Involving microscopes, microscopic.

Micrography.

affix
2
2
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(1) A microcomputer. The term was popular in the early days of personal computers.
2
2
Little, small, minute.

Microcosm.

affix
1
1
Small, relatively small; used to contrast levels of the noun modified.

At the micro level he was a good manager. At the macro level he failed.

adjective
1
1
(computing, dated) Short form of microcomputer.
noun
1
1
The definition of micro is an extremely small thing.

An example of micro is something unable to be seen with the naked eye; a micro dot.

adjective
0
0
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A microcomputer.
noun
0
0
A microprocessor.
noun
0
0
A microbrewery.
noun
0
0
A microbrew.
noun
0
0
One millionth (10−6 ).

Microampere.

prefix
0
0
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Small.

Microcircuit.

prefix
0
0
Abnormally small.

Microcephaly.

prefix
0
0
Requiring or involving microscopy.

Microsurgery.

prefix
0
0
A microwave oven.
noun
0
0
A microcomputer.
noun
0
0
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A microprocessor.
noun
0
0
One millionth part of; the factor 10-6: symbol μ: abbrev. mc.

Microsecond.

affix
0
0
Exceptionally little, abnormally small.

Microcephaly.

affix
0
0
Very small.

Organism → microorganism.

prefix
0
0
(metric units) One millionth.

Gram → microgram.

prefix
0
0
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Basic or small-scale.

The economy's performance at the micro level.

adjective
7
8
adjective
1
2
Enlarging or amplifying.

Microscope, microphone.

affix
1
2
A prefix that means: “small” (as in microorganism ) or “one millionth” (as in microsecond ).
0
3

Other Word Forms

Noun

Singular:
micro
Plural:
micros

Origin of micro

  • Gr mikro- < mikros, small < IE *(s)meik-: see mica

    From Webster's New World College Dictionary, 5th Edition

  • Greek mīkro- from mīkros small

    From American Heritage Dictionary of the English Language, 5th Edition

  • From micro–

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek μικρός (mikros, “small").

    From Wiktionary