Abbreviation of American Locomotive Company.

A small South American dog, domesticated by the natives. Apparently the species has since gone extinct.

(slang, UK, Australia) An alcoholic.

alcohol

plural of alco

(informal) An enthusiast of locomotives etc. built by the American Locomotive Company.

plural of alco-holic

(organic chemistry) Any of four isomeric aliphatic alcohols derived from butane; butanol

(organic chemistry) The aliphatic alcohol 2-propanol that is used as a solvent and in many industrial applications.

(organic chemistry) A sugar alcohol in which one on more hydroxy groups have been replaced by hydrogen