micro- combining form - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of micro- combining form from the Oxford Advanced American Dictionary

micro-

combining form

NAmE//ˈmaɪkroʊ//

, NAmE//ˈmaɪkrə//

1(in nouns, adjectives, and adverbs) small; on a small scale microchip microorganism opposite macro-

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2(in nouns; used in units of measurement) one millionth a microlitre

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