Rudista

plural noun

Ru·​dis·​ta
rüˈdistə
in some classifications
: a division of Eulamellibranchia comprising extinct chiefly Cretaceous bivalve mollusks with one valve elongate, conical, and thick-shelled and the other small and fitting like a lid on the first
rudistan
(ˈ)⸗¦⸗stən
adjective or noun
rudistid
(ˈ)⸗¦⸗stə̇d
adjective or noun

Word History

Etymology

New Latin, from Latin rudis rude, raw + -ista -ist

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Dictionary Entries Near Rudista

rudish

Rudista

Rudistae

See More Nearby Entries 

Cite this Entry

“Rudista.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rudista. Accessed 28 Nov. 2024.

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