from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A bottle or flask having a vacuum between its inner and outer walls, designed to maintain the desired temperature of the contents. Also called vacuum 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.