noun / verb / adjective
light
LYTE/laɪt/
Visible illumination that enables sight.
The lamp casts enough light to make the apple clearly visible.

Etymology
Old English leoht meant light or daylight—the brightness that lets things be seen. The modern sense preserves that concrete meaning, whether the illumination comes from daylight or an artificial source.
In context
from space are shining up into the atmosphere, where they bounce around and create this featureless smog of light. And that featureless smog of light has a name. It's called light pollution.
More examples
- Morning sunlight lights the kitchen through two large windows.
- She turns on a light beside the couch.
- He chooses light blue paint for the bedroom.
- We need more light to read these tiny instructions.
Forms
light · lights · lit · lighted · lighting · lighter · lightest
lighting noun — Illumination provided in a particular space.
Similar words
- illumination
- More formal, often referring to light supplied to a space.
- glow
- Suggests a soft, steady light rather than illumination generally.