# photoreduction

> English word · Noun

## Definitions
1. The addition of an electron to a photoexcited species.
2. Any reduction reaction that takes place in the presence of light.

## Etymology
From photo- + reduction.

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