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

The most promising systems use radar (radio waves) that can sense an occupant with high precision and the remote sensing method lidar (Light Detection and Ranging), which can detect micro movements such as the heartbeat of an infant. —Alexandra Rockey Fleming, Peoplemag, 20 July 2024

In addition to limiting a stakeholder to a vision that may change overnight due to external pressures, companies use a global picture to understand micro trends. —Chris Gallagher, USA TODAY, 18 July 2024

Noun

So the independence of the macro from the micro is not complete: There is some leakage between levels. —Quanta Magazine, 10 June 2024

This collection features a variety of essential pieces, including swimwear, slip dresses, micro and tennis skirts, button-downs and retro corset tops. —Jordan Greene, Peoplemag, 27 Mar. 2024

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

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