roundness
🇺🇸
/ˈraʊndnəs/
🇬🇧
/ˈraʊndnəs/
The property of being round or circular in shape.
The roundness of the ball made it bounce well.
球の丸さは、それをよく跳ねさせる。
The property of having a curved shape.
The roundness of the hill made it look like a giant's head.
丘の丸さは、巨人の頭のように見える。