Definition of transannular
: relating to or being tautomerism characterized by migration (as of a hydrogen atom) across a ring
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 transannular
trans- + Latin annulus ring + English -ar — more at annulus
Seen and Heard
What made you want to look up transannular? Please tell us where you read or heard it (including the quote, if possible).