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单词 actinula
释义

actinula

noun

ac·​tin·​u·​la
ak-ˈtin-yə-lə
plural actinulas or actinulae
ak-ˈtin-yə-ˌlē
: a creeping larva of the hydroid generation of certain coelenterates (as Tubularia) that finally attaches and develops into a polyp

Word History

Etymology

New Latin, from actin- + -ula

First Known Use

1864, in the meaning defined above

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更新时间:2024/9/21 10:32:35