ctenoid

[ tee-noid, ten-oid ]

adjectiveZoology.
  1. comblike or pectinate; rough-edged.

  2. having rough-edged scales.

Origin of ctenoid

1
First recorded in 1830–40, ctenoid is from the Greek word ktenoeidḗs like a comb. See cteno-, -oid

Words Nearby ctenoid

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use ctenoid in a sentence

  • The cycloid and ctenoid scales of Teleosteans (see p. 105) are thin plates coated with epidermis.

    The Vertebrate Skeleton | Sidney H. Reynolds
  • The exoskeleton is sometimes absent but generally consists of overlapping cycloid or ctenoid scales.

    The Vertebrate Skeleton | Sidney H. Reynolds
  • A ctenoid scale differs in having its posterior margin pectinate.

    The Vertebrate Skeleton | Sidney H. Reynolds
  • Louis Agassiz distinguished four kinds of scales—placoid, ganoid, cycloid and ctenoid.

  • There are two principal types of Teleostean scales, the cycloid and ctenoid.

    The Vertebrate Skeleton | Sidney H. Reynolds

British Dictionary definitions for ctenoid

ctenoid

/ (ˈtiːnɔɪd, ˈtɛn-) /


adjective
  1. biology toothed like a comb, as the scales of perches

Origin of ctenoid

1
C19: from Greek ktenoeidēs, from kteis comb + -oeidēs -oid

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