blackness

US /ˈblæk.nəs/
UK /ˈblæk.nəs/
"blackness" picture
1.

黒さ, 暗闇

the state or quality of being black

:
The blackness of the night sky was absolute.
夜空の黒さは絶対的だった。
She was startled by the sudden blackness when the power went out.
停電したときの突然の暗闇に彼女は驚いた。