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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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adj. - As the hard flattened scales of e.g. sharks.

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Usage examples (16)
  • The placoid scales on a shark are a phalanx of precise dermal teeth.
  • Steenstrup -- had been struck with the resemblance existing between the placoid scales and the teeth of Elasmobranch fishes.
  • The new species is highly adapted to hypogean life with very obvious troglobiomorphic features: unpigmented cuticle, an extraordinary lengthening of thorax and appendixes,...
  • Finally, with respect to the ‘Vertebrata’, the same law holds good: certain types, such as those of the ganoid and placoid fishes, having persisted from the palaeozoic...
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