# snow line

> English word · Noun

## Definitions
1. The altitude, in a mountainous region, above which the ground is covered with snow, at any particular time.
2. The inner limit where volatile molecules can remain frozen in the zone around a star.
3. The limit for water remaining solid instead of evaporating away under solar radiation.

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