from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A colorless, flammable poisonous gas, H2S, having a characteristic rotten-egg odor and used in metallurgy, and as an antiseptic, bleach, and reagent.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun inorganic chemistry A toxic gas, H2S, smelling like rotten eggs and used in analytical chemistry and industry.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a sulfide having the unpleasant smell of rotten eggs
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