Achromatic

Pronunciation

• UK IPA: /eɪˈkɹəʊ.mæt.ɪk/

Origin

Ancient Greek ἀχρωμάτιστος (akhrōmatistos, "uncolored"), from ἀ- (a-, "alpha privative") + χρῶμα (khrōma, "color"); compare French achromatique

Full definition of achromatic

Adjective

1. (optics) Free from color; transmitting light without color-related distortion.
2. Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.
3. (biology) Uncolored; not absorbing color from a fluid; -- said of tissue
4. (music) Having only the diatonic notes of the scale; not modified by accidentals.
5. Being achromatic in subjectThe lecture was achromatic, the speaker used politics to suppress the weight of his/her subject.

Related terms

• achromaticity
• achromatism
• achromatic lens
• achromatic prism
• chromatic