light beam Definition

beam, ray, shaft, beam of light, ray of light, shaft of light, laser, sunray, searchlight, gleam, projector, spotlight, scan, scanning, collimator, gleaming, shine, diaphragm, flood, floodlight, incidence, polaroid, prism, refractometer, scanned, diffract, grating, holography, spot, stop, stream, photophone, photocoagulation, tyndall effect, concave lens, converging lens, convex lens, deflection, diffraction, dio, dip, dips, disperse, diverging lens, effulge, eradiate, hologram, illuminator, irradiation, lens, manograph, occult, project, projected, projecting, projects, radiate, shadow, slit, spectrophotometer, spectrum, spots, spotting, stops, streamed, stroboscope, tenebrism, vignetting, laser beam, beamlet, chink, chopper, diffraction grating, electron, electron microscope, extinction, flashlight, flood lamp, heliograph, incident, kerr cell, limelight, lumen, maser, negative, optical maser, photochronograph, photoflood, positive, retinoscopy, schlieren, sun lamp, transversal, densitometer, lightsaber, optical activity, strobe lighting, turbidimeter, bright, camera,