free of color transmitting light without decomposing it into its major colors
- having no hue
- free of shade; transmitting light without decomposing it into its major colors.
- Uncolored; maybe not absorbing color from a fluid; -- said of muscle.
1766, from Latinized kind of Greek akhromatos "colorless," from a-, privative prefix (see a- (3)), + khromat-, comb. form of khroma "color" (see chroma) + -ic.
(a.) clear of shade; transferring light without decomposing it into its main colors.
- (a.) Uncolored; not absorbing shade from a fluid; -- stated of tissue.
It must be remembered, however, that when Dollond expressed preference for this third type he had not then invented the achromatic object-glass.