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单词 pentacrinoid
释义

Definition of pentacrinoid in English:

pentacrinoid

adjective pɛnˈtakrɪnɔɪd
Zoology
  • Designating a larval stage of a crinoid at which it resembles a crinoid of the genus Pentacrinus in having a stalk and a calyx consisting of five plates.

noun pɛnˈtakrɪnɔɪd
Zoology
  • A larval crinoid which resembles a crinoid of the genus Pentacrinus.

Origin

Mid 19th century; earliest use found in Proceedings of the Royal Society of London. From scientific Latin Pentacrinus + -oid, perhaps after crinoid.

Definition of pentacrinoid in US English:

pentacrinoid

adjectivepɛnˈtakrɪnɔɪd
Zoology
  • Designating a larval stage of a crinoid at which it resembles a crinoid of the genus Pentacrinus in having a stalk and a calyx consisting of five plates.

nounpɛnˈtakrɪnɔɪd
Zoology
  • A larval crinoid which resembles a crinoid of the genus Pentacrinus.

Origin

Mid 19th century; earliest use found in Proceedings of the Royal Society of London. From scientific Latin Pentacrinus + -oid, perhaps after crinoid.

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更新时间:2025/6/18 19:14:45