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Pyrogallate
n.
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A salt of pyrogallic acid; an ether of pyrogallol.
Pyrogallic
a.
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Pertaining to, derived from, or designating, an acid called pyrogallol. See Pyrogallol.
Pyrogallol
n.
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A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes.
Pyrogen
n.
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Electricity.
Pyrogen
n.
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A poison separable from decomposed meat infusions, and supposed to be formed from albuminous matter through the agency of bacteria.
Pyrogenic
a.
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Producing heat; -- said of substances, as septic poisons, which elevate the temperature of the body and cause fever.
Pyrogenous
a.
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Produced by fire; igneous.
Pyrognostic
a.
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Of or pertaining to characters developed by the use of heat; pertaining to the characters of minerals when examined before the blowpipe; as, the pyrognostic characters of galena.
Pyrognostics
n. pl.
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The characters of a mineral observed by the use of the blowpipe, as the degree of fusibility, flame coloration, etc.
Pyrography
n.
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A process of printing, ornamenting, or carving, by burning with heated instruments.
Pyrolator
n.
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A fire worshiper.
Pyrolatry
n.
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The worship of fire.
Pyroligneous
a.
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Alt. of Pyrolignic
Pyrolignic
a.
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Pertaining to, or designating, the acid liquid obtained in the distillation of wood, consisting essentially of impure acetic acid.
Pyrolignous
a.
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Same as Pyroligneous.
Pyrolithic
a.
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Same as Pyrouric, or Cyanuric.
Pyrologist
n.
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One who is versed in, or makes a study of, pyrology.
Pyrology
n.
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That branch of physical science which treats of the properties, phenomena, or effects of heat; also, a treatise on heat.
Pyrolusite
n.
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Manganese dioxide, a mineral of an iron-black or dark steel-gray color and metallic luster, usually soft. Pyrolusite parts with its oxygen at a red heat, and is extensively used in discharging the brown and green tints of glass (whence its name).
Pyromagnetic
a.
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Acting by the agency of heat and magnetism; as, a pyromagnetic machine for producing electric currents.
Pyromalate
n.
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A salt of pyromalic acid.
Pyromalic
a.
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Pertaining to, or designating, an acid now called maleic acid.
Pyromancy
n.
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Divination by means of fire.
Pyromania
n.
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An insane disposition to incendiarism.
Pyromantic
a.
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Of or pertaining to pyromancy.
Pyromantic
n.
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One who pretends to divine by fire.
Pyrometer
n.
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An instrument used for measuring the expansion of solid bodies by heat.
Pyrometer
n.
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An instrument for measuring degrees of heat above those indicated by the mercurial thermometer.
Pyrometric
a.
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Alt. of Pyrometrical
Pyrometrical
a.
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Pertaining to, or obtained by, the pyrometer; as, pyrometrical instruments; pyrometrical measurements.