micro

1 of 3

adjective

mi·​cro ˈmī-(ˌ)krō 

1

: very small

especially : microscopic

2

: involving minute quantities or variations

micro

2 of 3

noun

plural micros

1

: microcomputer

2

: microprocessor

micro-

3 of 3

combining form

see micr-

Examples of micro in a Sentence

Recent Examples on the Web

Adjective

China’s film and video industry is in the midst of an AI revolution, and at ground zero are the micro dramas that play out on millions of smartphones. — Ling Wei, Los Angeles Times, 10 Sep. 2026

Sensorial instincts are vital because water gilding—the application of a micro-thin layer of metal or other ornamental substrate to a surface—is an art form of more than 18 steps, some featuring processes going back 5,000 years. — Clare Coulson, Condé Nast Traveler, 8 Sep. 2026

Once the music starts, the film’s focus shifts from micro to macro as the individual fans are absorbed into each concert’s collective unconscious. — Nate Jones, Vulture, 7 Sep. 2026

Utilizing micro stitches made of plastic, Stitchy offers a convenient solution for quick fixes without the need for traditional sewing. — ABC News, 4 Sep. 2026

Word History

Etymology

Adjective

independent use of micro-

Noun

by shortening

First Known Use

Adjective

1923, in the meaning defined at sense 1

Noun

1971, in the meaning defined at sense 1

Phrases Containing micro

• micro-dose
• micro-dosing
• micro-grid
• micro-inverter
• micro-mobility
• micro-RNA

Rhymes for micro

• acknow
• aglow
• ago
• airglow
• aloe
• altho
• although
• ammo
• backflow
• backhoe
• banjo
• barbeau

Kids Definition

micro

adjective

mi·​cro

ˈmī-krō

: microscopic sense 3

Medical Definition

micro

adjective

mi·​cro ˈmī-(ˌ)krō 

1

: very small

especially : microscopic

2

involving minute quantities or variations