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View synonyms for vacuum flask
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 temperatures Also calledThermosDewar flask
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Example Sentences
Spry took a vacuum flask from a cupboard, and left the cabin to fill it.
From Project Gutenberg
I bent over him with an invalid's cup of liquid food prepared for this emergency, kept hot in a vacuum flask.
From Project Gutenberg
He put a vacuum flask in Jimmy's hand and turned to the others.
From Project Gutenberg
I happened to have a vacuum flask and some sandwiches, and these I divided with him.
From Project Gutenberg
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