# photoadsorption

> English word · Noun

## Definitions
1. An increase in the adsorption of a substance at an interface in the presence of light.

## Etymology
From photo- + adsorption.

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