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
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