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pyro-
pyrocatechol
pyrocellulose
pyrochemical
pyroclastic
pyroconductivity
pyroelectricity
pyrogallol
pyrogen
pyrogenic
pyrography
pyroligneous acid
pyrolusite
pyrolysate
pyrolyse
pyrolysis
pyrolyze
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pyrogen
py·ro·gen [ prəjən ] (plural py·ro·gens)


noun 
Definition:
 
fever-inducing substance: a substance that causes fever, especially a substance introduced into somebody's bloodstream
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