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单词 prosiphon
释义

Definition of prosiphon in English:

prosiphon

noun prəʊˈsʌɪfn
  • The primitive siphon in an embryonic ammonoid, consisting of a kind of ligament attached to the protoconch.

Origin

Late 19th century; earliest use found in The Century Dictionary. From pro- + siphon.

 
 

Definition of prosiphon in US English:

prosiphon

nounprəʊˈsʌɪfn
  • The primitive siphon in an embryonic ammonoid, consisting of a kind of ligament attached to the protoconch.

Origin

Late 19th century; earliest use found in The Century Dictionary. From pro- + siphon.

 
 
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更新时间:2024/11/13 10:20:02