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Definition of “thermal” - English Dictionary

"thermal" in American English

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thermaladjective

 us   /ˈθɜr·məl/
of, connected with, or preserving heat
Thermal underwear is underwear that has been specially designed to keep you warm.
(Definition of thermal from the Cambridge Academic Content Dictionary © Cambridge University Press)







"thermal" in British English

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thermaladjective [before noun]

uk   /ˈθɜː.məl/  us   /ˈθɝː.məl/ specialized
connected with heat: thermal conductivity (= ability of a substance to carry heat) It was the Romans who first recognized the medicinal benefits of Hungary's thermal springs (= ones which produce hot water).
thermally
adverb uk   /ˈθɜː.məl.i/  us   /ˈθɝː.məl.i/

thermalnoun

uk   /ˈθɜː.məl/  us   /ˈθɝː.məl/
(Definition of thermal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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