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词汇 pterotic
释义

Definition of pterotic in English:

pterotic

noun təˈrɒtɪktəˈrəʊtɪk
Zoology
  • A bone in the upper posterior part of the skull in many fishes and some other lower vertebrates, often bearing a distinct crest or flange; a corresponding element in the wall of the auditory capsule in some other vertebrate groups.

adjective təˈrɒtɪktəˈrəʊtɪk
Zoology
  • Designating, relating to, or corresponding to this bone or element.

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From ancient Greek πτερόν wing + otic, after e.g. periotic, periotic.

Definition of pterotic in US English:

pterotic

noun
Zoology
  • A bone in the upper posterior part of the skull in many fishes and some other lower vertebrates, often bearing a distinct crest or flange; a corresponding element in the wall of the auditory capsule in some other vertebrate groups.

adjective
Zoology
  • Designating, relating to, or corresponding to this bone or element.

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From ancient Greek πτερόν wing + otic, after e.g. periotic, periotic.

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