Rotalia

noun

Ro·​ta·​lia
rōˈtālēə
: a genus of foraminiferans having a finely perforated test with the segments in a turbinoid spiral and with septa composed of two lamellae between which are anastomosing canals
rotalian
-lēən
adjective or noun
rotaliform
-ləˌfȯrm
adjective
or rotaliiform
-lēəˌfȯrm

Word History

Etymology

New Latin, from Late Latin rotalis + New Latin -ia

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!

Dictionary Entries Near Rotalia

Cite this Entry

“Rotalia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rotalia. Accessed 19 Mar. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!