Definition of mollienisia
1 capitalized : a genus of brightly colored topminnows of the family Poeciliidae highly valued as aquarium fishes — see sailfin
2 plural -s : any fish of the genus Mollienisia
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 mollienisia
New Latin, irregular after Comte François N. Mollien †1850 French statesman
Seen and Heard
What made you want to look up mollienisia? Please tell us where you read or heard it (including the quote, if possible).