英语词汇“periostracal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	periostracal
释义	WordReference Random House Unabridged Dictionary of American English © 2024 per•i•os•tra•cum (per′ē os′trə kəm),USA pronunciation n., pl. -ca (-kə).USA pronunciation Invertebratesthe external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids. Greek óstrakon. See oyster Neo-Latin, equivalent. to peri- peri- + ostracum a shell 1830–40 per′i•os′tra•cal, adj.
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