Noun light beam has 1 sense
  1. beam, beam of light, light beam, ray, ray of light, shaft, shaft of light, irradiation - a column of light (as from a beacon)
    --1 is a kind of light, visible light, visible radiation
    --1 has particulars:
     heat ray; high beam; moonbeam, moon ray, moon-ray; sunbeam, sunray; laser beam; low beam
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