Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
pyridine
CIDE DICTIONARY
pyridine, n. [From Gr. fire.].
A nitrogenous base, C5H5N , obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colorless liquid with a peculiar pungent odor. It is the nucleus of a large number of organic substances, among which several vegetable alkaloids, as nicotine and certain of the ptomaïnes, may be mentioned. See Lutidine. [1913 Webster]
OXFORD DICTIONARY
pyridine, n. Chem. a colourless volatile odorous liquid, formerly obtained from coal tar, used as a solvent and in chemical manufacture.
Usage
Chem. formula: C5H5N
Etymology
Gk pur fire + -ID(4) + -INE(4)
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