1. (Chem.) The form or figure assumed by a drop of oil when placed upon
water or some other liquid with which it does not mix.
2. (Painting) A picture produced in oils by a process analogous to that
of lithographic printing.
O`le*o*mar"ga*rine (?), n. [L. oleum oil + E. margarine, margarin.]
[Written also oleomargarin.] 1. A liquid oil made from animal fats
(esp. beef fat) by separating the greater portion of the solid fat or
stearin, by crystallization. It is mainly a mixture of olein and
palmitin with some little stearin.
2. An artificial butter made by churning this oil with more or less
milk.
Oleomargarine was wrongly so named, as it contains no margarin proper,
but olein, palmitin, and stearin, a mixture of palmitin and stearin
having formerly been called margarin by mistake.
O`le*om`e*ter (?), n. [L. oleum oil + -meter.] (Chem.) An instrument
for ascertaining the weight and purity of oil; an elaiometer.
O"le*one (?), n. [L. oleum + - one, 1.] (Chem.) An oily liquid,
obtained by distillation of calcium oleate, and probably consisting of
the ketone of oleic acid.
O`le*op"tene (?), n. [L. oleum oil + Cr. &?; fleeting.] (Chem.) See
Eleoptene. [R.]