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English definition of “thermal”

thermal

adjective [before noun] uk   /ˈθɜː.məl/ us    /ˈθɝː-/ 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   /-mə.li/ us  

thermal

noun uk   /ˈθɜː.məl/ us    /ˈθɝː-/

thermal noun (HOT AIR)

[C] specialized environment a large column of hot air rising from the ground

thermal noun (CLOTHES)

thermals [plural] informal for thermal underwear
(Definition of thermal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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