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pyro-
- fire, heat: pyromania,pyrometer
- Chem.
- a substance derived (from a specified substance) by or as if by the action of heat: pyrogallic acid
- an inorganic acid derived from an ortho-acid, as orthophosphoric acid, by the elimination of one molecule of water from two molecules of the acid: pyrophosphoric acid
- Geol. a formation due to the action of heat: pyroxenite
See pyro- in American Heritage Dictionary 4
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