Webster's Dictionary 1913

10180

Pyroligneous

{ Pyr′o‐lig″ne‐ous (?), Pyr′o‐lig″nic (?), } a. [Pyro-+ L. lignum wood: cf. F. pyroligneux.] (Old Chem.) Pertaining to, or designating, the acid liquid obtained in the distillat...

10181

Pyrolignite

Py′ro‐lig″nite (?), n. A crude acetate produced by treating pyroligneous acid with a metal or basic compound; as, pyrolignite of iron (iron liquor).

10182

Pyrolignous

Pyr′o‐lig″nous (?), a. Same as Pyroligneous.

10183

Pyrolithic

Pyr′o‐lith″ic (?), a. [Pyro- + lithic.] (Old Chem.) Same as Pyrouric, or Cyanuric.

10184

Pyrologist

Py‐rol″o‐gist (?), n. One who is versed in, or makes a study of, pyrology.

10185

Pyrology

Py‐rol″o‐gy (?), n. [Pyro- + -logy: cf. F. pyrologie.] That branch of physical science which treats of the properties, phenomena, or effects of heat; also, a treatise on heat.

10186

Pyrolusite

Pyr′o‐lu″site (?), n. [Pyro- + Gr. � to loose, or � a loosing.] (Min.) Manganese dioxide, a mineral of an iron-black or dark steel-gray color and metallic luster, usually soft. ...

10187

Pyromagnetic

Pyr′o‐mag‐net″ic (?), a. [Pyro- + magnetic.] (Physics) Acting by the agency of heat and magnetism; as, a pyromagnetic machine for producing electric currents.

10188

Pyromalate

Pyr′o‐ma″late (?), n.(Chem.) A salt of pyromalic acid.

10189

Pyromalic

Pyr′o‐ma″lic (?), a. [Pyro- + malic.] (Old Chem.) Pertaining to, or designating, an acid now called maleic acid.

10190

Pyromancy

Pyr″o‐man′cy (?), n. [Gr. �; � fire + � divination: cf. F. pyromancie.] Divination by means of fire.

10191

Pyromania

Pyr″o‐ma″ni‐a (?), n. [Pyro- + mania.] An insane disposition to incendiarism.

10192

Pyromantic

Pyr″o‐man″tic (?), a. Of or pertaining to pyromancy.

10193

Pyromantic (2)

Pyr′o‐man″tic, n. One who pretends to divine by fire. Sir T. Herbert.

10194

Pyrometer

Py‐rom″e‐ter (?), n. [Pyro- + -meter: cf. F. pyromètre.] 1. (Physics) An instrument used for measuring the expansion of solid bodies by heat.2. (Physics) An instrument for measu...

10195

Pyrometric

{ Pyr′o‐met″ric (?), Pyr′o‐met″ric‐al } a. [Cf. F. pyrométrique.] (Physics) Pertaining to, or obtained by, the pyrometer; as, pyrometrical instruments; pyrometrical measurements.

10196

Pyrometry

Py‐rom″e‐try (?), n. The art of measuring degrees of heat, or the expansion of bodies by heat.

10197

Pyromorphite

Pyr′o‐mor″phite (?), n. [G. pyromorphit, from Gr. � fire + μορφή form.] (Min.) Native lead phosphate with lead chloride, occurring in bright green and brown hexagonal crystals a...

10198

Pyromorphous

Pyr′o‐mor″phous (?), a. [Pyro- + -morphous.] (Min.) Having the property of crystallizing by the agency of fire.

10199

Pyromucate

Pyr′o‐mu″cate (?), n.(Chem.) A salt of pyromucic acid.

10200

Pyromucic

Pyr′o‐mu″cic (?), a. [Pyro- + mucic.] (Chem.) Pertaining to, derived from, or designating, an acid obtained as a white crystalline substance by the distillation of mucic acid, o...

10201

Pyrone

Py′rone (?), n. [G. pyron, an abbr. of pyrokoman.] (Org. Chem.) An unsaturated cyclic compound, C5H4O2, of which two varieties are known, α and γ. γ-pyrone is the parent substan...

10202

Pyronomics

Pyr′o‐nom″ics (?), n. [Pyro- + Gr. � law.] The science of heat.

10203

Pyrope

Pyr″ope (?), n. [L. pyropus a kind of red bronze, fr. Gr. �; � fire + � the eye, face: cf. F. pyrope.] (Min.) A variety of garnet, of a poppy or blood-red color, frequently with...

10204

Pyrophane

Pyr″o‐phane (?), n. [See Pyrophanous.] (Min.) A mineral which is opaque in its natural state, but is said to change its color and become transparent by heat.

10205

Pyrophanous

Py‐roph″a‐nous (?), a. [Pyro- + Gr. � to show, pass, to shine.] Rendered transparent by heat.

10206

Pyrophone

Pyr″o‐phone (?), n. [Pyro- + Gr. � sound.] A musical instrument in which the tones are produced by flames of hydrogen, or illuminating gas, burning in tubes of different sizes a...