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pyro-

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pyro- or pyr-

pref.

1. Fire; heat: pyrophobia.

2. Relating to the action of fire or heat: pyrolysis.

3. Fever: pyrogen.

4. Derived from an acid by the loss of a water molecule: pyrophosphoric acid.

pyro-,

prefix meaning "fire or heat, or produced by heating": pyrocatechin, pyrodextrin, pyromania.

pyro-

word element. [Gr.] fire, heat; (in chemistry) produced by heating.

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