English

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Etymology

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From Ancient Greek ἀχρωμάτιστος (akhrōmátistos, uncolored), from ἀ- (a-, not) + χρῶμα (khrôma, color), equivalent to a- +‎ chromatic; compare French achromatique.

Pronunciation

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  • (US, UK) IPA(key): /ˌæk.ɹəˈmæt.ɪk/, /ˌeɪ.kɹəˈmæt.ɪk/
  • Audio (Southern England):(file)

Adjective

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achromatic (comparative more achromatic, superlative most achromatic)

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

Derived terms

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Translations

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