(Zool.) The external hard or firm covering of many invertebrate animals. Note: The test of crustaceans and insects is composed largely of chitin; in mollusks it is composed chiefly of calcium carbonate, and is called the shell.
![]() |
![]() |
![]() | ![]() | ![]() | |||
|
|
|
![]() |
"Testa" Quotes from Famous Books ![]() ![]() — Renaissance in Italy, Volume 1 (of 7) • John Addington Symonds ![]() ![]() — Jerome Cardan - A Biographical Study • William George Waters ![]() ![]() — The Letters of Wolfgang Amadeus Mozart, V.1. • Wolfgang Amadeus Mozart ![]() ![]() — In Friendship's Guise • Wm. Murray Graydon ![]() ![]() — School and Home Cooking • Carlotta C. Greer |
Copyright © 2025 Dictionary One.com |