Meaning Of The Word Periostracum
What's the definition of Periostracum? Find Periostracum meanings, definitions and more at the Real Dictionary online.
Periostracum Meaning
| Periostracum Definition |
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What's The Definition Of Periostracum?
periostracum in American English
a horny covering, secreted as the outermost layer of most mollusk shells, that protects the underlying shell from erosion noun: the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids periostracum in British English noun: the thin outer organic covering of a mollusc shell |
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