snow line

Noun

 * 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.
 * 1)  The inner limit where volatile molecules can remain frozen in the zone around a star.
 * 2)  The limit for water remaining solid instead of evaporating away under solar radiation.
 * 1)  The limit for water remaining solid instead of evaporating away under solar radiation.
 * 1)  The limit for water remaining solid instead of evaporating away under solar radiation.