concave
US /ˈkɑːn.keɪv/
UK /ˈkɑːn.keɪv/

1.
오목한
having an outline or surface that curves inward like the interior of a circle or sphere
:
•
The spoon has a concave shape.
숟가락은 오목한 모양을 가지고 있다.
•
The lens of the telescope is concave.
망원경 렌즈는 오목하다.
오목한
having an outline or surface that curves inward like the interior of a circle or sphere