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testaceous

[te-stey-shuh s] /tɛˈsteɪ ʃəs/
adjective
1.
of, relating to, or derived from shells.
2.
having a test or shell-like covering.
3.
of a brick-red, brownish-red, or brownish-yellow color.
Origin of testaceous
1640-1650
1640-50; < Latin testāceus shell-covered, equivalent to test(a) (see test2) + -āceus -aceous
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for testaceous

testaceous

/tɛˈsteɪʃəs/
adjective (biology)
1.
of, relating to, or possessing a test or testa
2.
of the reddish-brown colour of terra cotta
Word Origin
C17: from Latin testācens, from testa
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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