Definition of Asymmetron
:a genus of lancelets (family Epigonichthyidae) differing from Branchiostoma in having asymmetrical metapleura and but one series of gonads, the right — compare amphioxus
What's Trending Now
More Trending Words
Asymmetron
noun
Asym·me·tron
\
āˈsimə‧ˌträn
\
Read the Latest from M-W
There's more!
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 asymmetron
New Latin, from Greek, neuter of asymmetros
Seen and Heard
What made you want to look up Asymmetron? Please tell us where you read or heard it (including the quote, if possible).
