# planometer

> English word · Noun

## Definitions
1. A flat, metal plate used for estimating the flatness of a machined part; a surface plate.

## Etymology
From plano- + -meter.

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