Definition of costate in English:

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costate

Pronunciation: /ˈkɒsteɪt/

adjective

Botany & Zoology
Ribbed; possessing a costa.
Example sentences
  • Lateral slopes are weakly costate; the costae are diminished and almost invisible.
  • All are radially costate, with costae varying from simple and evenly distributed to variously branched and unevenly spaced.
  • Early genera were almost circular to elongate-oval, with smooth or finely costate shells.

Origin

Early 19th century: from Latin costatus, from costa 'rib'.

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