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micro

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The definition of micro is an extremely small thing.

(adjective)

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

Micro is defined as something very tiny.

(noun)

An example of a micro is bacteria.

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See micro in Webster's New World College Dictionary

adjective

small, very small, or on a small scale: macro and micro issues
microeconomic

noun

something very small
Informal
1. a microwave oven
2. a microcomputer
3. a microprocessor

1. little, small, minute: microcosm
2. exceptionally little, abnormally small: microcephaly
enlarging or amplifying: microscope, microphone
involving microscopes, microscopic: micrography
one millionth part of; the factor 10: symbol μ: microsecond

Also, before a vowel, micr-

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

See micro in American Heritage Dictionary 4

adjective

Very small or microscopic.
Basic or small-scale: the economy's performance at the micro level.

noun pl. mi·cros

a. A microcomputer.
b. A microprocessor.
a. A microbrewery.
b. A microbrew.

Origin:

Origin: From micro-

.

or micr-

prefix

a. Small: microcircuit.
b. Abnormally small: microcephaly.
c. Requiring or involving microscopy: microsurgery.
One-millionth (10^-6): microampere.

Origin:

Origin: Greek mīkro-

Origin: , from mīkros, small

.

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