HyperDic: vacuum_flask

English > 1 sense of the expression vacuum flask:
NOUNartifactvacuum flask, vacuum bottleflask with double walls separated by vacuum
English > vacuum flask: 1 sense > noun 1, artifact
Meaningflask with double walls separated by vacuum; used to maintain substances at high or low temperatures.
Synonymvacuum bottle
NarrowerDewar flask, Dewarvacuum flask that holds liquid air or helium for scientific experiments
thermos, thermos bottle, thermos flaskvacuum flask that preserves temperature of hot or cold drinks
BroaderflaskBottle that has a narrow neck
Spanishtermo
Catalantermo, termos

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