Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A bottle or flask having a vacuum between its inner and outer walls, designed to maintain the desired temperature of the contents.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun flask with double walls separated by vacuum; used to maintain substances at high or low temperatures

Etymologies

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Examples

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