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Usually derived from coal
Answer for the clue "Usually derived from coal ", 8 letters:
pyridine
Alternative clues for the word pyridine
Word definitions for pyridine in dictionaries
Wikipedia
Word definitions in Wikipedia
This page provides supplementary chemical data on pyridine .
Wiktionary
Word definitions in Wiktionary
n. (context organic compound English) Any of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and an nitrogen atom; especially the simplest one, C 5 H 5 N.
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
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 ...
WordNet
Word definitions in WordNet
n. a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal