testacean

American

[te-stey-shuhn] / tɛˈsteɪ ʃən /

adjective

Zoology.

having a shell or test.

testacean Scientific

/ tĕ-stā′shən /

Any of various protozoans of the order Arcellinida (or Testacida) that are encased in a shell. Testaceans are rhizopods and are related to amoebas. Their shell usually has one chamber and may be secreted by the organism as a chitinous or siliceous covering, or may be glued together out of sand particles.

Etymology

Origin of testacean

1835–45; < Latin testāce ( us ) shell-covered, testaceous + -an

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The abolition at Rome of the ancient games must be understood with some latitude; and the carnival sports of the Testacean Mount and the Circus Agonalis were regulated by the law or custom of the city.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023