Assertion: thermos | /r/HasProperty | hypernym
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Source sentences:
text: Vacuum flask that preserves temperature of hot or cold drinks Classified under: Nouns denoting man-made objects Synonyms: thermos; thermos bottle; thermos flask Hypernyms ("thermos" is a kind of...): vacuum bottle; vacuum flask (flask with double walls separated by vacuum; used to maintain substances at high or low temperatures)