Definition of serration in English:

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serration

Pronunciation: /seˈrāSHən/

noun

(usually serrations)
A tooth or point of a serrated edge or surface: a heavy-duty knife with sawtooth serrations
More example sentences
  • Its teeth lacked the usual serrations along the edges found in other two-legged carnivorous dinosaurs.
  • Nor did the ancient crocodiles have tooth serrations of correct size and spacing to have made drag marks observed on some of the best-preserved bones.
  • It may not be so clear in this particular fossil but those serrations are teeth!
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