thermos

[ thur-muhs ]
/ ˈθɜr məs /

noun

a vacuum bottle or similar container lined with an insulating material, such as polystyrene, to keep liquids hot or cold.

QUIZZES

BEAT THE DOLDRUMS WITH THIS WORD OF THE DAY QUIZ!

We know you’ll tackle this quiz totis viribus! See how many words from the week of Oct 12–18, 2020 you get right!
Question 1 of 7
What does “Indigenous” mean?
Also called thermos bottle.

Origin of thermos

First recorded in 1905–10; formerly a trademark
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for thermos

British Dictionary definitions for thermos

Thermos

Thermos flask

/ (ˈθɜːməs) /

noun

trademark a type of stoppered vacuum flask used to preserve the temperature of its contentsSee also Dewar flask
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012