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单词 unionoid
释义

Definition of unionoid in English:

unionoid

adjective ˈjuːnɪənɔɪd
Zoology
  • Of or relating to the family Unionidae of freshwater mussels, or the order Unionoida in which they are included; unioniform.

noun ˈjuːnɪənɔɪd
Zoology
  • A mollusc of the family Unionidae or order Unionoida; a freshwater mussel.

Origin

Late 19th century; earliest use found in Henry Nicholson (1844–1899), biologist and geologist. From scientific Latin Unio unio + -oid, with insertion of -n- after classical Latin ūniōn-, ūniō, etymon of the first element.

 
 

Definition of unionoid in US English:

unionoid

adjectiveˈjuːnɪənɔɪd
Zoology
  • Of or relating to the family Unionidae of freshwater mussels, or the order Unionoida in which they are included; unioniform.

nounˈjuːnɪənɔɪd
Zoology
  • A mollusc of the family Unionidae or order Unionoida; a freshwater mussel.

Origin

Late 19th century; earliest use found in Henry Nicholson (1844–1899), biologist and geologist. From scientific Latin Unio unio + -oid, with insertion of -n- after classical Latin ūniōn-, ūniō, etymon of the first element.

 
 
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更新时间:2024/12/22 19:42:14