light beam

Definitions of light beam
1

n a column of light (as from a beacon)

Synonyms:
beam, beam of light, irradiation, ray, ray of light, shaft, shaft of light
Types:
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heat ray
a ray that produces a thermal effect
high beam
the beam of a car's headlights that provides distant illumination
moon ray, moon-ray, moonbeam
a ray of moonlight
sunbeam, sunray
a ray of sunlight
laser beam
a beam of light generated by a laser
low beam
the beam of a car's headlights that provides illumination for a short distance
infrared ray
a ray of infrared radiation; produces a thermal effect (as from an infrared lamp)
Type of:
light, visible light, visible radiation
(physics) electromagnetic radiation that can produce a visual sensation

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