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Definition of snowline

snowline

/ˈsnoʊˌlaɪn/
snow · line
Plural:snowlines
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snowline Lexical Profile

snowline Game Scores & Validity

• noun

1

The altitude in a mountainous region above which snow remains on the ground permanently or during a particular season.

Example

"As the hikers ascended past the tree line and approached the snowline, the air grew noticeably thinner and colder."

2

In astronomy and planetary science, the radial distance in a protoplanetary disk from a central star beyond which it is cold enough for volatile compounds such as water, ammonia, or methane to condense into solid ice grains.

Example

"Gas giants typically form beyond the stellar snowline, where abundant ice crystals provide the mass needed to build massive planetary cores."

Synonyms
View all synonyms for snowline

• Rhymes for snowline

• Nearby Words

snowland
snowless
snowlike
snowline
snowmaker
snowmaking
snowman

Cite this Entry

Wordmom. (2026). Definition of Snowline. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/snowline
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