PYRIDINE

pyridine

(noun) a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal

Source: WordNet® 3.1


Etymology

Noun

pyridine (plural pyridines)

(organic compound) Any of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and an nitrogen atom; especially the simplest one, C5H5N.

Source: Wiktionary


Pyr"i*dine, n. Etym: [From Gr. (Physiol. Chem.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

7 January 2025

UNINFORMATIVELY

(adverb) in an uninformative manner; “‘I can’t tell you when the manager will arrive,’ he said rather uninformatively”


coffee icon

Coffee Trivia

You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.

coffee icon