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

Demand for warehousing, industrial, and micro distribution has increased the value of vacant spaces. —Kevin Williams, CNBC, 28 Sep. 2025

With Prada Augmented Skin The Essence, skin texture is renewed with the 2-in-1 toner and micro peel essence formula. —Kristine Kwak, StyleCaster, 28 Sep. 2025

Noun

Under a plan unveiled this month, which included the micro-communities, the city would add eight more sites and nearly double its beds in the coming years. —Mathew Miranda, Sacbee.com, 22 Sep. 2025

Giving a whole new meaning to underground power, startup Deep Fission Nuclear has secured US$30 million in funding to install a micro-reactor in a mile-deep borehole by July 4, 2026 as part of the US Department of Energy's Reactor Pilot Program. —New Atlas, 21 Sep. 2025

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-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