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

Regardless, seeing it in practice helped show what the Bills may do at the macro and micro levels once the regular season begins. — Joe Buscaglia, New York Times, 16 Aug. 2026

For her latest stop in the Italian Riviera, the former Spice Girl embraced la dolce vita while continuing her micro bikini parade in a completely sheer floral cover-up. — Lara Walsh, InStyle, 15 Aug. 2026

Its other features include a micro-mesh lining, an adjustable drawstring waist, and two side pockets. — Eric Twardzik, Robb Report, 10 Aug. 2026

The doctor uses a micro-punch tool to extract these grafts one by one. — Connie Etemadi, USA Today, 10 Aug. 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