Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A carboxylic acid derivative of pyridine, C6H5NO2, that is an isomer of niacin. Biosynthesized from tryptophan, it serves as an important chelating agent to assist in digestive uptake of beneficial trace metals. It is also produced and used industrially in the manufacture of herbicides.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry An isomer of
nicotinic acid pyridine-2-carboxylic acid
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[picolin(e) (from the fact that it is derived from an isomer of picoline) + –ic.]
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