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Definition of: pyridine
(pir′ə·dēn, -din) noun Chem.
A colorless, liquid, nitrogenous compound, C5H5N, with a pungent, noxious odor, obtained by the distillation of coal tar and bone oil and also made synthetically: used in organic syntheses, as a disinfectant, antiseptic, alcohol denaturant, and asthma remedy. [<PYR(ROLE) + -ID(E) + -INC2]
—py·rid·ic (pī·rid′ik) adjective
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