densitometry
photodensitometry
constringence
nephelometry
refractometer
photometry
densitometer
thermophotometry
thermoptometry
optogalvanic
light-scattering photometry
opticity
electrochemiluminometric
atomic absorption spectroscopy
optical activity
dispersometer
photographic density
optical density
absorbance
photoacoustics
photometer
transflection
transmission density
refractivity
electrooptics
shininess
refractiveness
epifluorescence
electrooptic
absorbency
scintillator
transfluorescence
crown glass
optical crown
actinometry
optical crown glass
Lambert's cosine law
optical flint
flint glass
lithoscope
optical bench
superscatterer
electrochemiluminescent
electroluminescent
remission
absorption band
luminous intensity unit
optics
candlepower unit
cathodochromism