Papyrograph :: Papyrograph (n.) An apparatus for multiplying writings, drawings, etc., in which a paper stencil, formed by writing or drawing with corrosive ink, is used. The word is also used of other means of multiplying copies of writings, drawings, etc. See Copygraph, Hectograph, Manifold..

Papyrography :: Papyrography (n.) The process of multiplying copies of writings, etc., by means of the papyrograph..

Pyrogallate :: Pyrogallate (n.) A salt of pyrogallic acid; an ether of pyrogallol.

Pyrogallic :: Pyrogallic (a.) Pertaining to, derived from, or designating, an acid called pyrogallol. See Pyrogallol..

Pyrogallol :: Pyrogallol (n.) 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 :: Pyrogen (n.) Electricity.

Pyrogen :: Pyrogen (n.) A poison separable from decomposed meat infusions, and supposed to be formed from albuminous matter through the agency of bacteria..

Pyrogenic :: Pyrogenic (a.) Producing heat; -- said of substances, as septic poisons, which elevate the temperature of the body and cause fever..

Pyrogenous :: Pyrogenous (a.) Produced by fire; igneous.

Pyrognostic :: Pyrognostic (a.) 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 :: Pyrognostics (n. pl.) The characters of a mineral observed by the use of the blowpipe, as the degree of fusibility, flame coloration, etc..

Pyrography :: Pyrography (n.) A process of printing, ornamenting, or carving, by burning with heated instruments..

Xylopyrography :: Xylopyrography (n.) The art or practice of burning pictures on wood with a hot iron; -- called also poker painting. See Poker picture, under Poker..

Random Fonts

Most Popular