Related by context. Frequent words. (Click for all words.) 70 reflectance 69 albedo 64 brightness 61 refractive index 59 luminance 59 conductivity 58 refraction 57 electrical conductivity 56 surface roughness 55 reflective coating 55 luminosity 55 diffraction 54 thermal conductivity 53 photodiode 53 reflective surfaces 52 fluxes 51 magnetization 51 reflector 51 ambient light 51 UV 51 illumination 51 UV light 51 thickness 51 redshift 51 interferometry 50 wavelengths 50 dielectric constant 50 LEDs 50 phosphors 50 UV radiation 50 water vapor 50 spatial resolution 50 ultraviolet 50 radii 49 color saturation 49 reflectors 49 luminescence 49 conductance 49 fluorescence 49 ductility 49 curvature 49 halogen bulbs 48 corrosion resistance 48 modulus 48 mid latitudes 48 UVB 48 infrared radiation 48 optically 48 legibility 47 dielectric 47 infrared wavelengths 47 backlighting 47 spectral 47 ultraviolet light 47 parallax 47 infrared 47 solar cells 47 intensities 47 UV exposure 47 coating 47 greyscale 47 flatness 47 chemical composition 47 tint 47 UV rays 46 μm 46 abundances 46 infrared IR 46 LED 46 heat dissipation 46 spectroscopic 46 backlight 46 viscosity 46 attenuation 46 wavelength 45 readability 45 LED illumination 45 magnification 45 fluorescent 45 substrates 45 photodiodes 45 spectra 45 LED lamps 45 tinting 45 photons 45 abrasion resistance 45 aerodynamic efficiency 45 ionization 45 color gamut 45 processability 45 Fluorescent 45 pixel 45 latitudes 45 opacity 45 interferometer 45 hysteresis 44 polar caps 44 reproducibility 44 nanostructure 44 radiant heat 44 cosmic rays