haloscope Definition

enhalo, halo, photoscope, gloriole, parhelic circle, cosmorama, scioptics, photographometer, alethoscope, orthoscope, leucoscope, spectrohelioscope, paraselene, perspectograph, ophthalmometer, epidiascope, phakoscope, stereomonoscope, scenograph, scotoscope, aerography, phenakistoscope, phantascope, chromascope, aeroscopy, field of vision, spectroheliograph, tithonographic, anacamptics, stauroscope, dynactinometer, spectral type, gravitational field, optical phenomenon, megalethoscope, zograscope, ultramicroscope, teinoscope, photovisual, physical phenomenon, catopter, dioptrics, optical device, iriscope, astrometeorology, superreflection, optical instrument, spherograph, selenodesy, astrometer, anaclastics, atmospheric perspective, sensitometer, scotomy, tithonic, almucantar, cometarium, perspicil, mental image, map projection, horopter, chromatrope, star chart, optometer, helioscope, telestereoscope, opsiometer, uranoscopy, volumescope, ray of light, optogram, holophote, mental picture, terrestrial telescope, lucimeter, interreflection, object glass, light microscope, dynameter, anthroposcopy, apparent magnitude, optography, microscopium, anemography, miniate, hyalograph, angioscope, autokinesis, luciferous, pantascope, absolute magnitude, inglobate, nubecula, translunary, midnight sun, dipleidoscope, anacoustic, event horizon, pseudoscope, nephoscope,