ethyl

n. (Chem.) the organic compound C2H5.OH, which is the intoxicating agent in beer, wine, and other fermented and distilled liquors; it is used pure or denatured as a solvent or in medicines and colognes and cleaning solutions and rocket fuel.
Syn. -- ethanol, fermentation alcohol, grain alcohol. [ WordNet 1.5 ]

n. [ Ethyl + amine. ] (Chem.) A colorless, mobile, inflammable liquid, C2H5.NH2, very volatile and with an ammoniacal odor. It is a strong base, and is a derivative of ammonia. Called also ethyl carbamine, and amido ethane. [ 1913 Webster ]

v. t. [ imp. & p. p. Ethylated; p. pr. & vb. n. Ethylating. ] [ From Ethyl. ] (Chem.) To treat in such a way as to cause the introduction of one or more ethyl groups, C2H5-; as, to ethylate alcohol. [ Webster 1913 Suppl. ]

n. [ From Ethyl. ] (Chem.) A compound derived from ethyl alcohol by the replacement of the hydroxyl hydrogen, after the manner of a hydrate; an ethyl alcoholate; as, potassium ethylate, C2H5.O.K. [ 1913 Webster ]

n. [ From Ethyl. ] (Chem.) A colorless, gaseous hydrocarbon, C2H4, forming an important ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas. Called also ethene, elayl, and formerly, bicarbureted hydrogen. [ 1913 Webster ]

Ethylene series (Chem.), the series of unsaturated hydrocarbons of which ethylene is the type, and represented by the general formula CnH2n. [ 1913 Webster ]

(Chem.) Pertaining to, derived from, or containing, ethyl; as, ethylic alcohol. [ 1913 Webster ]

(Chem.) An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH= to distinguish it from the symmetrical ethylene, CH2=CH2. Its compounds are derived from aldehyde. Formerly called also ethidene. [ 1913 Webster ]

pos>n. (Chem.) Any one of the several complex ethers of ethyl and glycerin. [ 1913 Webster ]