# photomagnetism

> English word · Noun

## Definitions
1. The branch of science that deals with the relation of magnetism to light, or the effect in which a material acquires or loses its ferromagnetic properties in response to light.

## Etymology
From photo- + magnetism.

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