opacity
photo-
light unit
electronic smog
actinometry
spectroradiometry
monochromatic
homochromatic
emission spectrum
electromagnetic wave
upscattering
absorption coefficient
absorptance
coefficient of absorption
aeriform
Compton scattering
Compton effect
polychromatic
blackness
lightlessness
total darkness
fluorescence
absorption spectrum
pitch blackness
black
infrared
infrared light
infrared emission
infrared radiation
radiately
infrared spectrum
extinction
radiodosimetry
luminesce
bandshape
electromagnetic spectrum
photometry
photoinduced
wan
sick
pale
pallid
photodepolarization
photoinitiated
photoelectroactivity
opaque
ultraviolet
absorption
monowavelength
electrohypersensitivity