Testacea
plural noun
Tes·ta·cea
\teˈstāsh(ē)ə\
Definition of Testacea
: an order of Rhizopoda containing forms (as of the genera Arcella and Difflugia) with an external test
testacean
adjective or nounExplore Merriam-Webster
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 testacea
New Latin, from Latin, neuter plural of testaceus covered with a shell
Seen and Heard
What made you want to look up Testacea? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!