English

Alternative forms

• snow-line

Noun

snow line ‎(plural snow lines)

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

Synonyms

• (altitude): snow level

Derived terms

(astronomy):

• water snow line
• carbon monoxide snow line

Related terms

• tree line

See also

(astronomy):

• habitable zone
• Venus zone