pyro
[ pahy-roh ]
/ ˈpaɪ roʊ /
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noun, plural py·ros.Informal.
a pyromaniac.
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Origin of pyro
By shortening; cf. -o
Definition for pyro (2 of 2)
pyro-
a combining form meaning “fire,” “heat,” “high temperature,” used in the formation of compound words: pyrogen; pyrolusite; pyromancy.
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, H4Sb2O7, pyroarsenic, H4As2O7, and pyrosulfuric, H2S2O7, 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, H2B4O7, and potassium pyrobate, K2B4O7, or pyrosulfuric, H2S2O7, and pyrosulfate, N2S2O7); if the acid ends in -ous, the corresponding salt ends in -ite (pyrophosphorous acid, H4P2O5, potassium pyrophosphite, K4P2O5).
Also pyr-.
Origin of pyro-
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for pyro
British Dictionary definitions for pyro
pyro-
before a vowel pyr-
combining form
denoting fire, heat, or high temperaturepyromania; pyrometer
caused or obtained by fire or heatpyroelectricity
chem
- denoting a new substance obtained by heating anotherpyroboric acid is obtained by heating boric acid
- denoting an acid or salt with a water content intermediate between that of the ortho- and meta- compoundspyro-phosphoric acid
mineralogy
- having a property that changes upon the application of heatpyromorphite
- having a flame-coloured appearancepyroxylin
Word Origin for pyro-
from Gk pur fire
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for pyro
pyro-
pref.
Fire; heat:pyrophobia.
Relating to the action of fire or heat:pyrolysis.
Fever:pyrogen.
Derived from an acid by the loss of a water molecule:pyrophosphoric acid.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.