# photostriction

> English word · Noun

## Definitions
1. A change in the dimensions of some piezoelectric materials when illuminated; only occurs if the material is also photoelectric.

## Etymology
From photo- + striction.

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