| Acetylene (n.) A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant. Thesaurus Entries Dry Ice, Freon, acetylene, argon, asphyxiating gas, butane, carbon dioxide, carbon monoxide, castor-bean meal, chlorine, coal gas, commercial fertilizer, compost, coolant, dressing, dung, enrichener, ethane, ether, ethyl chloride, ethylene, fertilizer, fluorine, formaldehyde, freezing mixture, guano, helium, hydrogen, ice, ice cubes, illuminating gas, krypton, lewisite, liquid air, liquid helium, liquid oxygen, manure, marsh gas, methane, muck, mustard gas, natural gas, neon, night soil, nitrate, nitrogen, organic fertilizer, oxygen, ozone, phosphate, poison gas, propane, radon, refrigerant, sewer gas, superphosphate, xenon |