PPage 764
- English Word Pyrexical Definition Of or pertaining to fever; feverish.
- English Word Pyrgom Definition A variety of pyroxene; -- called also fassaite.
- English Word Pyrheliometer Definition An instrument for measuring the direct heating effect of the sun's rays.
- English Word Pyridic Definition Related to, or formed from, pyridin or its homologues; as, the pyridic bases.
- English Word Pyridine Definition A nitrogenous base, C5H5N, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colorless liquid with a peculiar pungent odor. It is the nucleus of a large number of organic substances, among which several vegetable alkaloids, as nicotine and certain of the ptomaines, may be mentioned. See Lutidine.
- English Word Pyridyl Definition A hypothetical radical, C5H4N, regarded as the essential residue of pyridine, and analogous to phenyl.
- English Word Pyriform Definition Having the form of a pear; pear-shaped.
- English Word Pyritaceous Definition Of or pertaining to pyrites. See Pyritic.
- English Word Pyrite Definition A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide.
- English Word Pyrites Definition of Pyrite
- English Word Pyrites Definition A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color.
- English Word Pyritic Definition Alt. of Pyritical
- English Word Pyritical Definition Of or pertaining to pyrites; consisting of, or resembling, pyrites.
- English Word Pyritiferous Definition Containing or producing pyrites.
- English Word Pyritize Definition To convert into pyrites.
- English Word Pyritohedral Definition Like pyrites in hemihedral form.
- English Word Pyritohedron Definition The pentagonal dodecahedron, a common form of pyrite.
- English Word Pyritoid Definition Pyritohedron.
- English Word Pyritology Definition The science of blowpipe analysis.
- English Word Pyritous Definition Pyritic.