英语词汇“pentacrinite”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	pentacrinite
释义	pentacrinite /pɛnˈtakrɪnʌɪt/ Palaeontology. Now rare noun A fossil crinoid of the genus Pentacrinus or family Pentacrinitidae, having a five-sided stalk and a calyx consisting of five plates, and known from remains of the Jurassic period. Origin Early 19th century. From scientific Latin Pentacrinus, genus name + -ite.
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pentacrinite