Py*roth"o*nide (?), n. [Pyro- + Gr. &?; linen.] (Med.) A kind of
empyreumatic oil produced by the combustion of textures of hemp, linen,
or cotton in a copper vessel, -- formerly used as a remedial agent.
Dunglison.
Py*rot"ic (?), a. [Gr. &?;, fr. &?; to burn, fr. &?;, &?;, fire: cf. F.
pyrotique.] Caustic. See Caustic. -- n. (Med.) A caustic medicine.
Pyr`o*tri`tar*tar"ic (?), a. [Pyro- + tri- + tartaric.] (Chem.)
Designating an acid which is more commonly called uric acid.
Pyr`o*tung"stic (?), a. (Chem.) Polytungstic. See Metatungstic.
Pyr`o*¸"ric (?), a. [Pyro- + uric.] (Old Chem.) Pertaining to, or
designating, an acid now called cyanuric acid. See Cyanuric.
Pyr`o*va*nad"ic (?), a. [Pyro- + vanadic.] (Chem.) Pertaining to, or
designating, an acid of vanadium, analogous to pyrophosphoric acid.
Pyr`o*xan"thin (?), n. [Pyro- + Gr. &?; yellow.] (Chem.) A yellow
crystalline hydrocardon extracted from crude wood spirit; -- called
also eblanin.
Pyr"ox*ene (?), n. [F. pyroxËne, from Gr. &?; fire + &?; a stranger; --
so called because it was supposed to the be a stranger, or of rare
occurrence, in igneous rocks,] (Min.) A common mineral occurring in
monoclinic crystals, with a prismatic angle of nearly 90∞, and also in
massive forms which are often laminated. It varies in color from white
to dark green and black, and includes many varieties differing in color
and composition, as diopside, malacolite, salite, coccolite, augite,
etc. They are all silicates of lime and magnesia with sometimes alumina
and iron. Pyroxene is an essential constituent of many rocks,
especially basic igneous rocks, as basalt, gabbro, etc.
The pyroxene group contains pyroxene proper, also the related
orthorhombic species, enstatite, bronzite, hypersthene, and various
monoclinic and triclinic species, as rhodonite, etc.
Pyr`ox*en"ic (?), a. [Cf. F. pyroxÈnique.] Containing pyroxene;
composed chiefly of pyroxene.
Py*rox"e*nite (?), n. (Min.) A rock consisting essentially of pyroxene.