snow line

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English[edit]

Alternative forms[edit]

Noun[edit]

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

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(astronomy):

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(astronomy):