- The degree to which a refractive medium retards transmitted rays of light.More example sentences
- The physical density is changed, but is the optical density changed as well?
- For each sample, the optical densities were plotted as a function of volume loaded.
- The antioxidant potential of serum was calculated by the decrease in the optical density during the first minute.
More definitions of optical densityDefinition of optical density in:
- The US English dictionary