SINCE 1828
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altithermal

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

Definition of altithermal

: 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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First Known Use of altithermal

1948, in the meaning defined above

History and Etymology for altithermal

alti- + thermal

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Time Traveler for altithermal

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The first known use of altithermal was in 1948

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Dictionary Entries Near altithermal

altisonant

altithermal

altitude

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Cite this Entry

“Altithermal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/altithermal. Accessed 8 Aug. 2022.

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