Thermos

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈθɜːrməs/, /ˈθɜːrmɒs/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈθɝməs/ ,USA pronunciation: respelling(thûr′məs)


Collins Concise English Dictionary © HarperCollins Publishers::
Thermos, Thermos flask / ˈθɜːməs/
  1. a type of stoppered vacuum flask used to preserve the temperature of its contents
WordReference Random House Learner's Dictionary of American English © 2026
ther•mos /ˈθɜrməs/USA pronunciation   n. [countable]
  1. an insulated container, used for keeping liquids hot or cold. Also called ˈther•mos ˌbot•tle. 
See -therm-.
WordReference Random House Unabridged Dictionary of American English © 2026
ther•mos  (thûr′məs),USA pronunciation n. 
  1. a vacuum bottle or similar container lined with an insulating material, such as polystyrene, to keep liquids hot or cold. Also called ther′mos bot′tle. 
  • formerly a trademark 1905–10

'Thermos' also found in these entries (note: many are not synonyms or translations):
Dewar vessel - diathermancy - thermo- - vacuum bottle

Forum discussions with the word(s) "Thermos" in the title:


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