/
ˌakrə(ʊ)ˈmatɪk/
adj.
- relating to or denoting lenses that transmit light without separating it into constituent colours.
- without colour.
Derivative
- achromaticity n.
- achromatism n.
Etymology
C18: via Fr. from Gk a- ‘without’ + khrōmatikos (from khrōma ‘colour’).