Section M, N, and O

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"Section M, N, and O"

It was
formerly supposed to be an individual fatty acid, but is now known to
be simply an intimate mixture of stearic and palmitic acids.
(b) (Chem.) A white, crystalline
substance, C₁₇H₃₄O₂ of the fatty
acid series, intermediate between palmitic and stearic acids, and
obtained from the wax of certain lichens, from cetyl cyanide, and
other sources.

Mar"ga*rin (?), n. [Cf. F.
margarine. See Margarite.] (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 tripalmitin.

Mar`ga*ri*ta"ceous (?), a.
Pertaining to, or resembling, pearl; pearly.

Mar"ga*rite (?), n. [L.
margarita, Gr. &?; a pearl; cf. F. marguerite.]
1. A pearl. [Obs.] Peacham.

2. (Min.) A mineral related to the
micas, but low in silica and yielding brittle folia with pearly
luster.

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"Section M, N, and O"