Pyro-electricity, pī′rō-e-lek-tris′i-ti, n. that branch of electricity which deals with electrification as produced by change of temperature in certain crystallised bodies.—adj. Py′ro-elec′tric.
Pyrogallic, pī-rō-gal′ik, adj. obtained from gallic acid by the action of heat.
Pyrogen, pī′rō-jen, n. any substance which causes fever when introduced into the blood.—adjs. Pyrogenet′ic, Pyrog′enous, producing fire: produced by fire; Pyrogen′ic, producing fever. [Gr. pyr, fire, root of gignesthai, to become.]
Pyrognomic, pī-rog-nom′ik, adj. becoming incandescent when heated to a certain degree. [Gr. pyr, fire, gnōmōn, a mark.]
Pyrognostic, pī-rog-nos′tik, adj. pertaining to fire or heat. [Gr. pyr, fire, gnōstikos, knowing.]
Pyrography, pī-rog′ra-fi, n. the art of producing a design on wood by applying heat and pressure. [Gr. pyr, fire, graphein, to write.]
Pyrogravure, pī-rō-grā-vūr′, n. a method of engraving on wood by a red-hot metallic point: a picture so produced.
Pyrola, pī′rō-la, n. a genus of plants of the heath kind, called also Wintergreen: a single plant of this genus. [L., dim. of pirus, a pear-tree.]
Pyrolatry, pī-rol′a-tri, n. fire-worship.—n. Pyrol′ater, a fire-worshipper. [Gr. pyr, pyros, fire, latreia, worship.]
Pyroleter, pī-rol′e-tėr, n. a fire-extinguishing chemical apparatus by which carbonic acid is generated and thrown on the fire. [Gr. pyr, fire, oletēr, destroyer—ollynai, to destroy.]