definitions
  • synonyms

vacuum flask

noun

an insulating flask that has double walls, usually of silvered glass, with an evacuated space between them. It is used for maintaining substances at high or low temperaturesAlso called: Thermos, Dewar flask

RELATED CONTENT

How Do You Change Passive Voice Into Active Voice?In active voice, the subject performs the action of the verb. In passive voice, the subject receives the action of the verb. If you feel like you need a little more than that, keep reading.
READ MORE

RELATED WORDS

thermos

Nearby words

vacuum coffee maker, vacuum concrete, vacuum distillation, vacuum drying, vacuum energy, vacuum flask, vacuum fluctuation, vacuum forming, vacuum frame, vacuum gauge, vacuum pan
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