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

This guest goes the naked-dressing route with trendy micro shorts, a lacy bra, and a sheer button-down layered on top for just the right amount of coverage. — Amanda Le, InStyle, 21 July 2026

The standard Hornbill blade uses a micro-sandblasted treatment, creating an even matte surface that is understated and resistant to fingerprints. — New Atlas, 21 July 2026

The micro event that doesn't produce lasting relationships has failed, regardless of how beautiful the evening was. — Diana Sabb, Forbes.com, 20 July 2026

That same idea is used in the Excalibur Kabuto Legacy thanks to the tradition of métiers d’art, in which each of the samurai commanders is depicted with a micro-sculpted helmet crafted in 18-karat pink gold. — Nicole Hoey, Robb Report, 17 July 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