細さ

(1)the property of being very narrow or thin; "he marvelled at the fineness of her hair"

(2)非常に狭かったり細かったりする特質

(3)relatively small dimension through an object as opposed to its length or width; "the tenuity of a hair"; "the thinness of a rope"

(4)ある物体の長さや幅に対して、それを貫通する寸法が比較的小さいこと

(1)