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pyridine
[ pir-i-deen, -din ]
/ ˈpɪr ɪˌdin, -dɪn /
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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.
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OTHER WORDS FROM pyridine
py·rid·ic [pahy-rid-ik], /paɪˈrɪd ɪk/, adjectiveWords nearby pyridine
pyrexia, pyrgeometer, pyrheliometer, Pyribenzamine, pyric, pyridine, Pyridium, pyridostigmine bromide, pyridoxal, pyridoxamine, pyridoxine
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use pyridine in a sentence
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Any of a class of organic compounds containing a six-member ring in which one of the carbon atoms has been replaced by a nitrogen atom.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.
The American Heritage® Science Dictionary
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