pyridine
[ pir-i-deen, -din ]
/ ˈpɪr ɪˌdin, -dɪn /
noun Chemistry.
a colorless, flammable, liquid organic base, C5H5N, having a disagreeable odor, usually obtained from coal or synthesized from acetaldehyde and ammonia: used chiefly as a solvent and in organic synthesis.
OTHER WORDS FROM pyridine
py·rid·ic [pahy-rid-ik] /paɪˈrɪd ɪk/, adjectiveWords nearby pyridine
Example sentences from the Web for pyridine
British Dictionary definitions for pyridine
pyridine
/ (ˈpɪrɪˌdiːn) /
noun
a colourless hygroscopic liquid with a characteristic odour. It is a basic heterocyclic compound containing one nitrogen atom and five carbon atoms in its molecules and is used as a solvent and in preparing other organic chemicals. Formula: C 5 H 5 N
Word Origin for pyridine
C19: from
pyro- +
-id ³ +
-ine ²
Medical definitions for pyridine
pyridine
[ pĭr′ĭ-dēn′ ]
n.
A flammable, colorless or yellowish liquid base that results from the dry distillation of organic matter containing nitrogen, has a penetrating odor, and is used in analytical chemistry and in the manufacture of various drugs and vitamins.
Other words from pyridine
py•rid′ic (pī-rĭd′ĭk) adj.Scientific definitions for pyridine
pyridine
[ pĭr′ĭ-dēn′ ]
Any of a class of organic compounds containing a six-member ring in which one of the carbon atoms has been replaced by a nitrogen atom. Pyridines include compounds used as water repellents, herbicides, and various drugs. The pyridine ring structure is also part of many larger compounds, including niacin and nicotine.
The simplest of these compounds, a flammable, colorless or yellowish liquid base having a penetrating odor. It is used as a solvent and waterproofing agent and in the manufacture of various drugs and vitamins. Chemical formula: C5H5N.