Definitions
1.adjectiveFree from color; transmitting light without color-related distortion.
2.adjectiveContaining components such as achromatic lenses and prisms, designed to prevent color-related distortion.
3.adjectiveUncolored; not absorbing color from a fluid; -- said of tissue
4.adjectiveHaving only the diatonic notes of the scale; not modified by accidentals.
5.adjectiveBeing achromatic in subject"The lecture was achromatic, the speaker used politics to suppress the weight of his/her subject."