# photoevaporation

> English word · Noun

## Definitions
1. The removal of the atmosphere of a planet or removal of a protoplanetary disk by high-energy photons from its sun or a nearby hot star

## Etymology
From photo- + evaporation.

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