# microinch

> English word · Noun

## Definitions
1. A unit of measure, one millionth of an inch in length, equivalent to 25.4 nanometers.

## Etymology
From micro- + inch.

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