Try Our Apps


Is irregardless a word?


[te-stey-shuh n] /tɛˈsteɪ ʃən/
adjective, Zoology.
having a shell or test.
Origin of testacean
1835-45; < Latin testāce(us) shell-covered, testaceous + -an Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source
testacean in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for testacean

Few English speakers likely know this word

Word Value for testacean

Scrabble Words With Friends

Nearby words for testacean