English dictionary
pyridine
/'p/I/r/I/,d/i/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal
Source: WordNet 3.0
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A nitrogenous base, C<sub>5</sub>H<sub>5</sub>N, 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 <u>Lutidine</u>.
Source: webster1913