# phot

> English word · Noun · IPA /fəʊt/ · frequency rank #83,621

## Definitions
1. A photometric unit of illuminance, or luminous flux through an area (symbol ph).

## Etymology
Coined by André Blondel in 1921. See photo-.

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