# photometer

> English word · Noun · IPA /fəˈtɑmɪtɚ/

## Definitions
1. Any of several instruments used to measure various aspects of the intensity of light.

## Etymology
From photo- + -meter.

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