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单词 pentacrinite
释义

Definition of pentacrinite in English:

pentacrinite

noun pɛnˈtakrɪnʌɪt
rare
  • 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.

Definition of pentacrinite in US English:

pentacrinite

nounpɛnˈtakrɪnʌɪt
rare
  • 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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更新时间:2024/11/11 7:52:50