incurvature

/ɪnˈkɜrvətʃər/
noun
  1. A curved inward shape or the degree to which something is curved inward.
    • The incurvature of the leaf helped it collect rainwater.
    • The incurvature of the ancient bowl made it perfect for holding liquids.
    • The architect designed the roof with a gentle incurvature to mimic rolling hills.
Antonyms
What does "incurvature" mean? | whatsthatwordmean | whatsthatwordmean