표면이나 선이 원이나 구의 안쪽처럼 안으로 오목하게 굽은
having an outline or surface that curves inward like the interior of a circle or sphere
예문:
"A concave lens is used to correct nearsightedness by spreading out light rays."
"The satellite dish has a concave shape to focus signals onto the receiver."
오목한 표면, 선 또는 그러한 부분
a concave surface, line, or part
예문:
"The artist carefully shaded the concave of the sculpture to create a sense of depth."
"Water collected in the small concave of the rock after the heavy rain."
무엇인가를 오목하게 만들거나 안으로 굽게 하다
to make something hollow or curved inward
예문:
"The machine was designed to concave the metal sheets into protective shields."
"Years of erosion started to concave the base of the limestone cliff."