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

The micro-level productivity gains from AI in specific applications are well-documented. — Nick Lichtenberg, Fortune, 14 July 2026

The Mighty Mushroom Roll goes deeper with shiitake, enoki, tofu, micro arugula, and shiitake truffle sauce, while the Spicy Mang Roll brings mango, cucumber, avocado, and veggie slaw into something brighter and cleaner. — Rafael Peña, Miami Herald, 13 July 2026

Production will take place locally in micro factories, and the products are custom-made according to customer specifications. — Angela Velasquez, Footwear News, 13 July 2026

Crafted from soft, breathable organic cotton, this organic cotton tank has a micro-ribbed texture and body-hugging shape that’s easy to style with high-rise pants. — Kaitlin Gates, Travel + Leisure, 12 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