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pyridine

XDict

n. 比啶[治喘病藥]

PyDict

比啶[治喘病藥]

WordNet (r) 3.0 (2006) (WordNet)

pyridine
n 1: a toxic colorless flammable liquid organic base with a
disagreeable odor; usually derived from coal

The Collaborative International Dictionary of English v.0.48 (gcide)

Pyridine \Pyr"i*dine\, n. [From Gr. ? fire.] (Physiol. Chem.)
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 ptoma["i]nes, may be mentioned.
See {Lutidine}.
[1913 Webster]

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