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Definition of micro

micro

/ˈmaɪ.kɹoʊ/
mi · cro

Plural:micros
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micro Lexical Profile

micro Game Scores & Validity

• adjective

1

Extremely small in size, scale, or scope.

Example

"The documentary used specialized lenses to capture the micro world of forest insects."


2

Relating to or analyzing small-scale, localized, or individual factors rather than broad systemic patterns, especially in economics or sociology.

Example

"At the micro level, individual household spending habits varied widely across the region."

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Antonyms
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• noun

1

An informal shortening of microeconomics, the branch of economics that studies the behavior of individual households and firms.

Example

"She passed her introductory micro exam with the highest score in the department."


2

A microcomputer or microprocessor, especially an early personal computer from the late 1970s and 1980s.

Example

"He learned basic programming on a home micro during the early eighties."

Synonyms
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Antonyms
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• Rhymes for micro

Word Origin & Etymology

Derived from the Ancient Greek word 'mikros', meaning small, little, or petty, which entered English initially as the combining form 'micro-' in scientific terminology before becoming a standalone word.

Cite this Entry


Wordmom. (2026). Definition of Micro. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/micro
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