# photoabsorbance

> English word · Noun

## Definitions
1. The effect of (varying intensities of) light on the absorbance of a material

## Etymology
From photo- + absorbance.

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