noun, plural py·ros.Informal.
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Origin of pyro
Words nearby pyro
Definition for pyro (2 of 2)
Origin of pyro-
Example sentences from the Web for pyro
Some plates require double the quantity of pyro that others do to produce the same quality of negative.Photography in the Studio and in the Field|Edward M. Estabrooke
If a solution of yellow prussiate of potash be used in place of the pyro solution, a blue print is obtained.
Authorities place the solubility of pyro as one part in two of water.Photogravure|Henry R. Blaney
For each ounce of developer take 20 minims of pyro solution and make up to the required bulk with water.The Barnet Book of Photography|Various
A small bottle of Pyro is also convenient for one who brings a curling lamp.Etiquette|Emily Post
British Dictionary definitions for pyro
before a vowel pyr-
- 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
- having a property that changes upon the application of heatpyromorphite
- having a flame-coloured appearancepyroxylin