plural -s
: a buried sheet of ice under the tundra of northern America formed by the freezing of spring water which rises from the rock beneath alluvial deposits or under swamps and spreads laterally at the zone of freezing

Word History


cryst- (irregular from Greek krystallos ice) + -o- + Greek sphēn wedge

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Dictionary Entries Near crystosphene

Cite this Entry

“Crystosphene.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2024.

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