Help Wordnik hunt for a million missing words by backing our Kickstarter!


from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See vacuum bottle.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A bottle, flask or similar vessel having a vacuum between its inner and outer silvered walls; designed to maintain the temperature of its contents
  • n. A Dewar vessel is the scientific version, and is most often used to store liquified gases.
  • n. A type of glass flask used in a laboratory similar to an Erlenmeyer flask, but with a side spout used for connection to an aspirator. Also known as a Büchner flask.

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

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


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.