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单词 zoothecium
释义

Definition of zoothecium in English:

zoothecium

nounˌzuːə(ʊ)ˈθiːsɪəmˌzəʊə(ʊ)ˈθiːsɪəm
rare
  • An aggregate of the fused shells or protective sheaths of certain aquatic colonial protozoans.

Origin

Late 19th century; earliest use found in William Saville-Kent (1845–1908), marine biologist.

 
 

Definition of zoothecium in US English:

zoothecium

noun
rare
  • An aggregate of the fused shells or protective sheaths of certain aquatic colonial protozoans.

Origin

Late 19th century; earliest use found in William Saville-Kent (1845–1908), marine biologist.

 
 
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更新时间:2024/11/10 17:53:28