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Definitions for Pyro

[1] a pyromaniac.
[2] a combining form meaning “fire,” “heat,” “high temperature,” used in the formation of compound words: pyrogen; pyrolusite; pyromancy.
[3] Chemistry . a combining form used in the names of inorganic acids, indicating that the acid's water content is intermediate between that of the corresponding ortho- (more water) and meta- (least water) acids (pyroantimonic, H4 Sb2 O7 , pyroarsenic, H4 As2 O7 , and pyrosulfuric, H2 S2 O7 , acids ). The combining form is also used in the names of the salts of these acids. If the acid ends in -ic, the corresponding salt ends in -ate (pyroboric acid, H2 B4 O7 , and potassium pyrobate, K2 B4 O7 , or pyrosulfuric, H2 S2 O7 , and pyrosulfate, N2 S2 O7 ); if the acid ends in -ous, the corresponding salt ends in -ite (pyrophosphorous acid, H4 P2 O5 , potassium pyrophosphite, K4 P2 O5 ).
[4] denoting fire, heat, or high temperature pyromania ; pyrometer
[5] caused or obtained by fire or heat pyroelectricity
[6] chem denoting a new substance obtained by heating another pyroboric acid is obtained by heating boric acid denoting an acid or salt with a water content intermediate between that of the ortho- and meta- compounds pyro-phosphoric acid
[7] mineralogy having a property that changes upon the application of heat pyromorphite having a flame-coloured appearance pyroxylin

Words nearby Pyro

pyrimidine, pyriphlegethon, pyrite, pyrites, pyritohedron, pyro, pyro-, pyrobitumen, pyroborate, pyrocatechol, pyrocellulose

Origin of Pyro

-< Greek pyro-, combining form of pŷr fire

Word origin for Pyro

-from Gk pur fire