orthochromatic

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UK/ˈɔː.θə.kɹəˈmæt.ɪk/UK/ˈɔː.θə.kɹəʊˈmæt.ɪk/US/ˌoɹ.θə.kɹəˈmæt.ɪk/US/ˌoɹ.θə.kɹoʊˈmæt.ɪk/

adjective

Being uniformly sensitive across the entire visible range, and thus reproducing colours faithfully

OriginEnglish chromatic ← Ancient Greek ὀρθός (orthós) ← Proto-Hellenic *ortʰwós →
Scrabble 26
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Meanings

adjectiveorthochromatic (not comparable)
  1. not comparableBeing uniformly sensitive across the entire visible range, and thus reproducing colours faithfully
  2. not comparableartsSensitive to all colours except red

Origin

  1. Proto-Indo-European*h₃er-
  2. Proto-Indo-European*dʰeh₁-
  3. Proto-Indo-European*h₃érdʰeti?
  4. Proto-Indo-European*h₃erdʰ-
  5. Proto-Hellenic*ortʰwós
  6. Ancient Greekὀρθός (orthós)
  7. Englishortho-
  8. Englishchromatic
  9. Englishorthochromatic

From ortho- + chromatic.

Full word history & related roots →

Translations

Finnish ortokromaattinen
  • ortokromaattinenuniformly sensitive across the entire visible range
Irish ortacrómatach
  • ortacrómatachuniformly sensitive across the entire visible range
Italian ortocromatico
  • ortocromaticouniformly sensitive across the entire visible range
Portuguese ortocromático
  • ortocromáticouniformly sensitive across the entire visible range
Cite this entry
APA

orthochromatic. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/orthochromatic

MLA

“orthochromatic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orthochromatic. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “orthochromatic,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/orthochromatic.

Source: orthochromatic on Wiktionary, CC BY-SA 4.0.