from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A colorless, odorless, incombustible gas, CO2, formed during respiration, combustion, and organic decomposition and used in food refrigeration, carbonated beverages, inert atmospheres, fire extinguishers, and aerosols. Also called carbonic acid gas.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The normal oxide of carbon, CO2; a colorless, odorless gas formed during respiration and combustion and consumed by plants during photosynthesis.
from the GNU version of the Collaborative International Dictionary of English
- n. See under Carbonic.
- n. See Carbonic acid, under Carbonic.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
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