from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A base of the pyridine group, found in coal tar.
- n. Any of the series of isometric substances of which parvoline is the type.
from the GNU version of the Collaborative International Dictionary of English
- n. A liquid base, C9H13N, of the pyridine group, found in coal tar; also, any one of the series of isomeric substances of which it is the type.
from The Century Dictionary and Cyclopedia
- n. Tetramethylpyri-dine, C5HN(CH3)4. Of the several isomeric varieties, the principal one is 2,3,4,5-tetra-methylpyridine, an oil which occurs in coal-tar. Other varieties are made by distilling bituminous shales, heating cinchonine with potash, or by the decay of horse-fiesh or mackerel. They are basic oils which form salts with acids.
Sorry, no etymologies found.
Cigarettes not only contain carbon monoxide but also contain poisonous gases like ammonia, butane, nicotine, carbolic acid, formic aldehyde, prussic acid, pyridine, parvoline, arsenic and cadmium.