# dilatometer

> English word · Noun

## Definitions
1. An instrument used to measure the expansion of solids and liquids when heated, or when subjected to some other physical process.

## Etymology
From dilate + -o- + -meter.

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