achromatic
adjUK, US /ˌæk.ɹəˈmæt.ɪk/
Etymology From Ancient Greek ἀχρωμάτιστος (akhrōmátistos, “uncolored”), from ἀ- (a-, “not”) + χρῶμα (khrôma, “color”), equivalent to a- + chromatic; compare French achromatique.
Engineering, Natural sciences, Optics, Physical sciences, Physics Free from color; transmitting light without color-related distortion.
- achromatic color scheme
- achromatic image
1 more example
- The designer chose an achromatic color scheme of black, white, and gray.
Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.
- An achromatic lens reduces color distortion in optical instruments.
Biology, Natural sciences Of tissue Uncolored; not absorbing color from a fluid.
Entertainment, Lifestyle, Music Having only the diatonic notes of the scale; not modified by accidentals.
- Synonyms
- achromatic, colorless, colourless, hueless
- Antonyms
- colored, coloured, colorful, colourful, dyed, motley, multicolored, multicoloured, particolored, particoloured, polychromatic, polychrome, variegated
- Derived terms
- achromatically, nonachromatic, pseudoachromatic
- Related terms
- achromaticity, achromatic lens, achromatic number, achromatic prism, achromatism, chromatic
- Hypernyms
- lacking
- Hyponyms
- aplanatic, decoloured, undyed, uncolored
- Coordinate terms
- monochromatic, monochrome, monocolor, unicolor, monotone, bichromatic, bichrome, bicolor, dichromatic, duotone, trichromatic, trichrome, tricolor, tritone, tetrachromatic, tetrachrome, quadricolor, quadtone