visible_radiation
1. [ noun ] (physics) electromagnetic radiation that can produce a visual sensation
Synonyms: light visible_light
Examples:

"the light was filtered through a soft glass window"

Related terms: actinic_radiation sunlight fluorescence beam meteor moonlight dusk daylight firelight lamplight radiance incandescence luminescence candlelight twilight starlight counterglow torchlight streamer scintillation gaslight friar's_lantern half-light corona glow electromagnetic_spectrum physics
Similar spelling:   visible_horizon