margarin Meaning, Definition & Usage

  1. noun a glyceryl ester of margaric acid
    glycerol trimargarate.
  2. noun a spread made chiefly from vegetable oils and used as a substitute for butter
    margarine; oleo; marge; oleomargarine.

WordNet

Mar"ga*rin noun
Etymology
Cf. F. margarine. See Margarite.
Definitions
  1. (Physiol. Chem.) A fatty substance, extracted from animal fats and certain vegetable oils, formerly supposed to be a definite compound of glycerin and margaric acid, but now known to be simply a mixture or combination of tristearin and teipalmitin.

Webster 1913