(n.) The science of light; -- a general term sometimes employed when optics is restricted to light as a producing vision.
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Newtonian physics, acoustics, actinology, actinometry, aerophysics, applied physics, astrophysics, basic conductor physics, biophysics, catoptrics, chemical physics, cryogenics, crystallography, cytophysics, dioptrics, electron optics, electron physics, electronics, electrophysics, geometrical optics, geophysics, heliography, heliology, heliometry, infrared spectroscopy, macrophysics, mathematical physics, mechanics, medicophysics, microphysics, microscopics, microscopy, natural philosophy, natural science, nuclear physics, optical physics, optometry, philosophy, photics, photography, photology, photometry, physic, physical chemistry, physical optics, physical science, physicochemistry, physicomathematics, physics, psychophysics, radiation physics, radionics, solar physics, solid-state physics, spectrometry, spectrophotometry, spectroscopy, statics, stereophysics, stereoscopy, telescopy, theoretical physics, thermodynamics, zoophysics
