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单词 pycnodont
释义

Definition of pycnodont in English:

pycnodont

noun
  • Any of various extinct holostean fishes of the family Pycnodontidae or order Pycnodontiformes, which are usually deep-bodied and characterized by a pavement of crushing teeth in the upper and lower jaws, and are known from fossils of the Mesozoic era.

adjective
  • Of, relating to, or belonging to this group of fishes.

Origin

Mid 19th century; earliest use found in William Buckland (1784–1856), geologist and dean of Westminster. Probably after French pycnodontes, plural noun; compare scientific Latin Pycnodus, genus name.

 
 

Definition of pycnodont in US English:

pycnodont

noun
  • Any of various extinct holostean fishes of the family Pycnodontidae or order Pycnodontiformes, which are usually deep-bodied and characterized by a pavement of crushing teeth in the upper and lower jaws, and are known from fossils of the Mesozoic era.

adjective
  • Of, relating to, or belonging to this group of fishes.

Origin

Mid 19th century; earliest use found in William Buckland (1784–1856), geologist and dean of Westminster. Probably after French pycnodontes, plural noun; compare scientific Latin Pycnodus, genus name.

 
 
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更新时间:2024/12/23 10:54:21