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词汇 psammodont
释义

Definition of psammodont in English:

psammodont

noun ˈ(p)samə(ʊ)dɒnt
  • A shark of the extinct family Psammodontidae, known almost entirely from large, rough-surfaced, pavement teeth found in the early Carboniferous of North America and Europe.

adjective ˈ(p)samə(ʊ)dɒnt
  • Relating to or characteristic of a psammodont.

Origin

Late 19th century. From psammo- + -odont, after scientific Latin Psammodontidae, family name.

Definition of psammodont in US English:

psammodont

nounˈ(p)samə(ʊ)dɒnt
  • A shark of the extinct family Psammodontidae, known almost entirely from large, rough-surfaced, pavement teeth found in the early Carboniferous of North America and Europe.

adjectiveˈ(p)samə(ʊ)dɒnt
  • Relating to or characteristic of a psammodont.

Origin

Late 19th century. From psammo- + -odont, after scientific Latin Psammodontidae, family name.

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