micro-

English

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Micro-

Wikipedia

Etymology

From Ancient Greek μικρός (mikros, “small”).

Pronunciation

Audio (US)
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Prefix

SI prefix
µ
	Previous:	nano-
	Next:	milli-

micro-

Very small.
organism → microorganism
(metric units) One millionth.
gram → microgram

Usage notes

(one millionth): Officially, micro- is abbreviated as µ- (the Greek letter mu); for example, one second is 1s, so one microsecond is 1µs. However, for many purposes this is inconvenient, so writers often use either u- (for its similar appearance to µ-) or mc-, producing, for example, 1um (one micrometer) and 1mcg (one microgram).

Antonyms

(very small): mega-, macro-

Derived terms

English words prefixed with micro-

Translations

very small

Catalan: micro- (ca)
Chinese:
Mandarin: 微- (cmn) (wēi-)
Czech: mikro- (cs)
Finnish: mikro- (fi)
French: micro- (fr)
German: mikro- (de)
Greek: μικρο- (el) (mikro-)

Hebrew: מיקרו־ (he) (míkro-), מיקרו (he) (míkro)
Italian: micro- (it)
Japanese: マイクロ- (ja) (maikuro-)
Malay: mikro- (ms)
Russian: микро- (ru) (mikro-)
Spanish: micro- (es)
Turkish: mikro- (tr)

one millionth

Catalan: micro- (ca)
Chinese:
Mandarin: 微- (cmn) (wēi-)
Czech: mikro- (cs)
Finnish: mikro- (fi)
French: micro- (fr)
Greek: μικρο- (el) (mikro-)

Hebrew: מיקרו־ (he) (míkro-), מיקרו (he) (míkro)
Italian: micro- (it)
Japanese: マイクロ (ja) (maikuro)
Russian: микро- (ru) (mikro-)
Spanish: micro- (es)
Turkish: mikro- (tr)

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.

Translations to be checked