# micronometer

> English word · Noun

## Definitions
1. An instrument for noting very short periods of time.
2. Any of various other devices to measure small quantities, distance etc.

## Etymology
micro- + chronometer

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