Standard Lemma guide

achromatic

adj · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK, US: /ˌæk.ɹəˈmæt.ɪk/
  • UK, US: /ˌeɪ.kɹəˈmæt.ɪk/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Free from color; transmitting light without color-related distortion.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, natural-sciences, optics, physical-sciences, physics

Examples

  • achromatic color scheme
  • achromatic image
  • The designer chose an achromatic color scheme of black, white, and gray.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.

Definition source: English Wiktionary via Wiktextract

Examples

  • An achromatic lens reduces color distortion in optical instruments.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Uncolored; not absorbing color from a fluid.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Having only the diatonic notes of the scale; not modified by accidentals.

Definition source: English Wiktionary via Wiktextract

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adjective

Meaning 5

having no hue

Definition source: Princeton WordNet 3.0

Examples

  • neutral colors like black or white

Meaning relationships

Synonyms: neutral

Antonyms: chromatic

History

Etymology

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

Across languages

Translations

26 source translations are retained for this English entry.

  • Armenian: անգույն (anguyn) — optics: free from colour
  • Bulgarian: безцветен (bezcveten) — optics: free from colour
  • Bulgarian: неоцветен (neocveten) — optics: free from colour
  • Catalan: acromàtic — optics: free from colour
  • Esperanto: akromata — optics: free from colour
  • Finnish: akromaattinen — optics: free from colour
  • Hindi: वर्णहीन (varṇahīn) — optics: free from colour
  • Hungarian: akromatikus — optics: free from colour
  • Manx: neughaaoil — optics: free from colour
  • Persian: بیفام (bi-fâm) — optics: free from colour
  • Polish: achromatyczny — optics: free from colour
  • Portuguese: acromático — optics: free from colour
  • Spanish: acromático — optics: free from colour
  • Tagalog: awankulayin — optics: free from colour
  • Catalan: acromàtic — containing components to prevent colour-related distortion
  • Chinese Mandarin: 消色差的 (xiāo sèchā de) — containing components to prevent colour-related distortion
  • Finnish: värikorjattu — containing components to prevent colour-related distortion
  • Portuguese: acromático — containing components to prevent colour-related distortion
  • Spanish: acromático — containing components to prevent colour-related distortion
  • Bulgarian: неоцветен (neocveten) — biology: uncoloured
  • Catalan: acromàtic — biology: uncoloured
  • Chinese Mandarin: 非彩色的 (fēi cǎisè de) — biology: uncoloured
  • Finnish: akromaattinen — biology: uncoloured
  • Spanish: acromático — biology: uncoloured
  • Bulgarian: диатоничен (diatoničen) — music: having only the diatonic notes of the scale
  • Portuguese: acromático — music: having only the diatonic notes of the scale
Real reading context

achromatic in complete knowledge articles