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light_beam
has definitions from the field of physics
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[ noun ] (physics) a column of light (as from a beacon)
Used in print (Francis J. Johnston and John E. Willard, "The...)The round cells were reproducibly positioned in the light_beam which entered the thermostated mineral_oil bath through a window . (A. N. Nagaraj and L. M. Black, "Localization of...)The light_beam from the lamp was filtered through a half standard thickness Corning 1840 filter . |
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