concavity
US /ˌkɑːnˈkæv.ə.t̬i/
UK /ˌkɒnˈkæv.ə.ti/
名詞
凹面
the quality of curving in, or an object or surface that curves in:
例:
•
The valley looks utterly serene now - a spacious concavity lying between pine-clad peaks.
関連語: