Definition of quinone diimine
1 : a colorless crystalline compound HN=C6H4=NH regarded as derived from quinone (see quinone 1a) by replacement of both oxygen atoms by imino groups but made by oxidation of para-phenylenediamine —called also p-benzoquinone diimine, p-quinone diimine
2 : a compound derived from a quinone by replacement of both oxygen atoms by imino groups
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.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of quinone diimine
diimine from di- + imine
Seen and Heard
What made you want to look up quinone diimine? Please tell us where you read or heard it (including the quote, if possible).