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Testae | Test \Test\, Testa \Tes"ta\, n.; pl. E. {Tests}, L. {Test[ae]}. [L. testa a piece of burned clay, a broken piece of earthenware, a shell. See {Test} a cupel.] 1. (Zo["o]l.) The external hard or firm covering of many invertebrate animals. [1913 Webster] 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. [1913 Webster] 2. (Bot.) The outer integument of a seed; the episperm, or spermoderm. [1913 Webster] |
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