dentation

/dɛnˈteɪʃən/
noun
  1. The condition or quality of having tooth-like projections or notches; a toothed edge or structure.
    • The saw's dentation was worn down after years of use.
    • The fossil showed clear dentation along the shell's edge.
    • The dentation of the leaf margin helps botanists classify the plant species.
Antonyms
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