ALL meanings of achromat
ach·ro·mat
A a - noun achromat a lens designed to bring light of two chosen wavelengths to the same focal point, thus reducing chromatic aberration 3
- noun achromat a person who has no colour vision at all and can distinguish only black, white, and grey. The condition is very rare 3
- noun achromat A lens that imparts little color; a lens that is achromatic. 1
- noun achromat achromatic lens. 1