Daily Almanac for
Dec 1, 2009
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frost•line



Pronunciation: (frôst'līn", frost'-), [key]
n.
1. the maximum depth at which soil is frozen.
2. the lower limit of permafrost. Cf. permafrost table.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

frostingfrost point
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