thermos bottle

ther·mos

[thur-muhs]
noun
a vacuum bottle or similar container lined with an insulating material, such as polystyrene, to keep liquids hot or cold.
Also called thermos bottle.

Origin:
1905–10; formerly a trademark

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
Thermos or Thermos flask (ˈθɜːməs) [Click for IPA pronunciation guide]
 
—n
trademark See also Dewar flask a type of stoppered vacuum flask used to preserve the temperature of its contents
 
Thermos flask or Thermos flask
 
—n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Thermos bottle is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
a stew of meat, vegetables, potatoes, etc.
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
Etymonline
Word Origin & History

Thermos
trademark registered in Britain 1907, invented by Sir James Dewar (patented 1904 but not named then), from Gk. thermos "hot" (see thermal). Dewar built the first one in 1892, but it was first manufactured commercially in Germany in 1904, when two glass blowers formed Thermos
GmbH. Supposedly the company sponsored a contest to name the thing, and a Munich resident won with a submission of Thermos.
Online Etymology Dictionary, © 2010 Douglas Harper
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