Definition of pyridone
: any of several isomeric carbonyl compounds C5H5NO derived from pyridine: such as a : the crystalline alpha isomer —called also 2-pyridone, 2(1H)-pyridone b : the crystalline gamma isomer —called also 4-pyridone, 4(1H)-pyridone
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of pyridone
International Scientific Vocabulary pyrid- + -one
Seen and Heard
What made you want to look up pyridone? Please tell us where you read or heard it (including the quote, if possible).