Search Result for "vacuum flask":
Wordnet 3.0

NOUN (1)

1. flask with double walls separated by vacuum; used to maintain substances at high or low temperatures;
[syn: vacuum flask, vacuum bottle]



WordNet (r) 3.0 (2006):

vacuum flask
    n 1: flask with double walls separated by vacuum; used to
         maintain substances at high or low temperatures [syn:
         vacuum flask, vacuum bottle]