adjective al·ti·ther·mal \¦altə̇¦thərməl\

Definition of altithermal

  1. :  of or belonging to a time during which the climate is relatively warm —often used of a part of postglacial time

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Origin and Etymology of altithermal

alti- + thermal

First Known Use: 1948

Seen and Heard

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capable of being understood in two ways

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