micron

noun

mi·​cron ˈmī-ˌkrän 

: micrometer entry 2

Examples of micron in a Sentence

Recent Examples on the Web

The Sun, in particular, is extremely massive; even at the orbital distance of Pluto, acceleration due to the Sun’s gravity is somewhere around a few microns-per-second². —Big Think, 21 Apr. 2026

For comparison, the average human hair is 70 microns wide. —Bestreviews, Chicago Tribune, 7 Apr. 2026

This helped the team scan entire intact human organs without destroying them and then zoom in down to less than one micron, or 50 times thinner than a human hair. —Laura Baisas, Popular Science, 11 Mar. 2026

In a study published on Friday in the journal Science Advances, researchers explain how the original collision with Dimorphos slowed the entire binary’s solar orbit by around 12 microns per second. —Jackie Flynn Mogensen, Scientific American, 6 Mar. 2026

Word History

Etymology

New Latin, from Greek mikron, neuter of mikros small — more at micr-

First Known Use

1879, in the meaning defined above

Rhymes for micron

• anton
• argon
• axon
• baronne
• baryon
• baton
• boron
• buisson
• bygone
• capon
• cardon
• chiffon

Kids Definition

micron

noun

mi·​cron ˈmī-ˌkrän 

: micrometer entry 2

Medical Definition

micron

noun

mi·​cron ˈmī-ˌkrän 

: a unit of length equal to one millionth of a meter

called also micrometer, mu