凹凸 meaning and pronunciation

凹凸
Simplified/traditional word

凹凸 English definition

āo tū
  • bumpy
  • uneven
  • slotted and tabbed joint
  • crenelation

HSK level

Characters

  • 凹 (āo): a depression; indentation; concave; hollow;
  • 凸 (tū): convex; to stick out; Taiwan pr. [tu2];