(uncountable) The premodern and early modern study of physical changes, particularly in Europe, Arabia, and China and chiefly in pursuit of an elixir of immortality, a universal panacea, and/or a philosopher's stone able to transmute base metals into gold, eventually developing into chemistry.

(organic chemistry) The compound methanol.

(organic chemistry) The compound methyl alcohol or methanol.

(organic chemistry, dated) ethanol, a type of alcohol.

(poetry) A Greek meter, supposedly invented by Alcaeus, consisting of combinations of spondee, iambs and dactyls.

The governor or commander of a Spanish or Portuguese fortress or prison. / A caid.

A chronic disease caused by compulsive and uncontrollable consumption of alcoholic beverages, leading to addiction and deterioration in health and social functioning.

(chemistry) The study of ancient alchemy using the knowledge and techniques of modern chemistry in order to advance the understanding of the history of chemistry.

(organic chemistry) An isomer of amyl alcohol, 3-methyl-1-butanol, found in trace amounts in wine; used industrially in the preparation of isoamyl nitrite.

(organic chemistry) Any of the isomers of pentanol, C₅H₁₁OH; the principal constituent of fusel oil.