infrared frequency Definition

infrared, radio frequency, microwave, ultraviolet, radio, black light, cordless, dark star, far-infrared, infrared spectrum, infrared therapy, laser, light, near-infrared, terahertz, bolometer, flare, lamp, opaque, radiant heat, spectrophotometer, stinger, thallium, photon, transmitter, ultrasonic, fluorescent, infrared emission, infrared light, infrared radiation, monochromatic, multispectral, optical, photons, pulsed, radiation, radiometer, ray, wavelength, athermancy, athermanous, diathermancy, diathermic, electron telescope, greenhouse emission, greenhouse gas, heat-seeking missile, heat lamp, heat seeker, herschel, infrared lamp, infrared ray, photoluminescence, phototherapy, physical therapy, sidewinder, sir frederick william herschel, sir william herschel, snooperscope, sunlamp, thermograph, thermography, tiros, ultrared, william herschel, detectors, fio, infra-red, infrarouge, interferometric, invisible, ir, lasers, leds, multichannel, nir, phosphors, radars, receivers, scanning, sensors, spectrometers, submillimeter, thermal, transceivers, transmitting, tunable, unseeable, uv, wavelengths, xray, absenteeism, acceptor, active, adjunct, affinity, airspace, airwave, airwaves, airway,