# macron vs micron

> English confusable word pair

## The two words

### macron
*noun · IPA /ˈmækɹɒn/ · frequency rank #30,875*
A short, straight, horizontal diacritical mark (◌̄) placed over a letter, usually to indicate that the pronunciation of a vowel is long.

### micron
*noun · IPA /ˈmaɪkɹɒn/ · frequency rank #34,986*
Synonym of micrometre (“one-millionth of a metre”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/macron-vs-micron