Definitions
There is 1 meaning of the phrase
Optical Density.
Optical Density - as a noun
(physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation
Synonyms (Exact Relations)
absorbancephotographic densitytransmission densityExample Sentences
"The optical density of the sample was measured using a spectrophotometer."
"The increase in optical density indicated a higher concentration of the solute."
"Scientists use optical density as a measure of light absorption by a substance."
"The optical density of the lens affects the clarity of vision."
"The optical density of the atmosphere refracts light, causing phenomena like rainbows."