parabolic reflector, emittance, infrared, ultraviolet lamp, diffraction grating, pyroelectric, photoconductive, illuminance, scintillator, electrothermal, collimating, photometer, bimetal, photocells, dipole antenna, micromanipulator, circular polarization, fresnel, photomultipliers, nonreflective, spectroscopic analysis, emissivity, pyrometers, gimbals, sensor, galvanometer, microbalance, piezoelectric crystal, reflectivity, photomultiplier, airglow, microswitch, thermic, reflectance, vaporisation, neutron radiation, ferrites, lightwave, phosphide, omnidirectional antenna, cadmium sulfide, ionisation, inclinometer, antiballistic, circumstellar, transmissivity, azimuthal, reflector, electromagnetically, uniaxial, neutron flux, phototransistor, polarimeter, spectroscope, isobaric, photoflash, electret, sunblind, monochromator, stroboscope, photoluminescence, blackbody, nonconductive, isotherms, dipole moment, annunciator, reflectometer, retroreflector, absorbance, toroid, convex lens, waviness, paperlike, peltier, hypervelocity, binocular microscope, resonant cavity, plasmon, radome, radiometry, electroluminescence, defogging, diffract, collinear, semiconductive, infrared radiation, coronagraph, backscattering, coplanar, nonthermal, photometry, corona discharge, photolysis, cuvette, lase, boron trifluoride, theodolites, spectrometry, zns, tachymeter, bevelled, positionable