n the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)
n total absence of light
n. 黑, 黑色, 邪恶
[化] 黑度
1. The blackness of the night made it hard to see anything.
黑夜的黑暗使得很难看清任何东西。
2. She painted the wall a deep blackness to create a dramatic effect.
她把墙壁涂成深黑色，以创造戏剧效果。
3. The blackness of the ink filled the pages with rich color.
墨水的黑色为页面填充了丰富的色彩。