English

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Etymology

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From crest +‎ -al.

Adjective

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crestal (not comparable)

  1. That is situated on, or forms part of, a crest.
    • 2015 October 22, “Evaluation in a Dog Model of Three Antimicrobial Glassy Coatings: Prevention of Bone Loss around Implants and Microbial Assessments”, in PLOS ONE[1], →DOI:
      Microbial samples and peri-implant crestal bone levels of all implant sites were obtained before, during and after the breakdown period.

Derived terms

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Noun

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crestal (plural crestals)

  1. (zoology) A scale located on the crest.
    • 1955, Joel Asaph Allen, Bulletin of the American Museum of Natural History, page 15:
      In the arrangement of the crestals Shinisaurus closely resembles Xenosaurus (in which genus, however, the crestals are blunt and resemble ornamental tack heads) []

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