tear' gas"Pronunciation: (tēr), [key]
a gas that makes the eyes smart and water, thus producing a temporary blindness, used in modern warfare, to quell riots, etc.
tear-gasPronunciation: (tēr'gas"), [key]
—v.t., -gassed, -gas•sing.
to subject to tear gas.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.