A visual defect characterized by the inability to see as clearly in bright light as in dim light.
The men, accustomed to the gloom of the jungle, blinked their eyes, were uncertain here.
A dark area, especially the blackest part of a shadow from which all light is cut off.
as they look in the gray, somber light of daybreak.
The technique of using light and shade in pictorial representation.
a dusky winter evening
The sun's first rays would smite down through the gloom of the temple and the long alley of the temple pillars.
The light from one side leaves half the subject' s face in shadow.
spectral response curve of photocathode
The day was cool and rather lustreless; the first note of autumn had been struck.
the dusky light inside the cave
The light in the guard-house, half derived from the waning oil-lamps of the night, and half from the overcast day, was in a correspondingly uncertain condition.
The morning dawned dull and gloomy, and Villefort saw the dim gray light shine upon the lines he had traced in red ink.
In computer graphics, a type of CRT( cathode ray tube) in which the electron beamcauses thephosphorescent surface of the tube to darken rather than to brighten.
One gets into the darker parts of the woods, when a stray gleam at sunshine finds its way down to the roots of the trees.
A period of darkness and gloom.
the languor of the sky
沉闷 [阴暗] 的天空
A few faints gleam of sunshine lit up the gloomy afternoon.