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A complex, hypothetical radical, composed of two parts of carbon to three of hydrogen and one of oxygen. Its hydroxide is acetic acid.

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. W…

A white crystalline solid, from ammonia by replacement of an equivalent of hydrogen by acetyl.

A compound of aniline with acetyl, used to allay fever or pain; -- called also antifebrine.

Pertaining to, containing, or derived from, acetyl, as acetic ether, acetic acid. The latter is the acid to which the sour taste of vinegar is due.

An acid radical, as acetyl, malonyl, or benzoyl.

vatives of the paraffin hydrocarbons, but also unsaturated compounds, as the ethylene and acetylene series.

A gaseous hydrocarbon, C3H4, homologous with acetylene; propine. CH3.C.CH

A white crystalline compound of acetyl and salicylic acid used as a drug for the salicylic acid liberated from it in the intestines.

nt liquid, C4H6, produced artificially, and regarded as an unsaturated hydrocarbon of the acetylene series, and analogous to crotonic acid.

One of the higher hydrocarbons, C10H15, of the acetylene series; -- called also decenylene.

ungent, liquid hydrocarbon, C6H10, consisting of two allyl radicals, and belonging to the acetylene series.

A liquid hydrocarbon, C20H38, of the acetylene series, obtained from brown coal.

Acetylene.

Pertaining to, or derived from, the ivy (Hedera); as, hederic acid, an acid of the acetylene series.

Any one of a series of unsaturated metameric hydrocarbons, C7H12, of the acetylene series.

A hydrocarbon, C6H10, of the acetylene series, obtained artificially as a colorless, volatile, pungent liquid; -- called also hexoylene.

used to indicate hydrocarbons of the second degree of unsaturation; i. e., members of the acetyline series; as, hexine, heptine, etc.

cally of groups or series which differ by a constant difference; as, ethane, ethylene, an acetylene, or their analogous compounds, form an isologous series.

ements united in the same proportion by weight, but with different molecular weights; as, acetylene and benzine are isomeric (polymeric) with each other in this sense. See Polymeric. (b) Metameric; i. e., having the same elements united in the same proportions by weight, and with the same molecular weight, but which a…