Synonyms for vacuum flask
- Thermos flask [tm]
EXAMPLES FROM THE WEB FOR VACUUM FLASK
I happened to have a vacuum flask and some sandwiches, and these I divided with him.
Spry took a vacuum flask from a cupboard, and left the cabin to fill it.
He put a vacuum flask in Jimmy's hand and turned to the others.
I bent over him with an invalid's cup of liquid food prepared for this emergency, kept hot in a vacuum flask.