micro

1 of 2

adjective

mi·​cro ˈmī-(ˌ)krō 

1

: very small

especially : microscopic

2

: involving minute quantities or variations

micro

2 of 2

noun

plural micros

1

: microcomputer

2

: microprocessor

Examples of micro in a Sentence

Recent Examples on the Web

Adjective

Infused with the same micro triple-lipid capsules—ceramides, cholesterol, and fatty acids—that replenish the skin barrier on contact, it’s specifically formulated for dry, sensitive skin. —Lily Wohlner, Allure, 1 Feb. 2026

Dreamboat, a micro diner with 10 counter seats, is bright and airy, but just past a velvet curtain, the space quickly transitions to the more moody Vulture. —Lori Weisberg, San Diego Union-Tribune, 31 Jan. 2026

Noun

Basically an ad for all of the coolest and most beautiful places on earth, the show is also fascinating on a micro-level, with two-person contestant teams ranging from family members to couples to best friends to co-workers. —Kevin Jacobsen, Entertainment Weekly, 4 Feb. 2026

These low-rise briefs were made to breathe with micro-mesh to keep you cool and dry. —Jeaneen Russell, PEOPLE, 4 Feb. 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-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