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单词 Trilobita
释义

Definition of Trilobita in English:

Trilobita

noun ˌtrʌɪlə(ʊ)ˈbʌɪtəˌtrɪlə(ʊ)ˈbʌɪtə
  • With plural (or occasionally singular) concord: a large group of extinct multi-legged arthropods that occurred abundantly in Palaeozoic seas, typically having a flattened oval body with a solid head section (cephalon) with antennae and compound eyes, a flexible segmented thorax, and a solid tail section (pygidium), all of which are divided into three longitudinal lobes. Also treated as plural: animals of this group (collectively or individually); trilobites.

Origin

Mid 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From scientific Latin Trilobita from German Trilobit + -a.

 
 

Definition of Trilobita in US English:

Trilobita

noun
  • With plural (or occasionally singular) concord: a large group of extinct multi-legged arthropods that occurred abundantly in Palaeozoic seas, typically having a flattened oval body with a solid head section (cephalon) with antennae and compound eyes, a flexible segmented thorax, and a solid tail section (pygidium), all of which are divided into three longitudinal lobes. Also treated as plural: animals of this group (collectively or individually); trilobites.

Origin

Mid 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From scientific Latin Trilobita from German Trilobit + -a.

 
 
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更新时间:2025/3/18 11:21:01