protanomaly

P3R1O1T1A1N1O1M3A1L1Y4

noun

A form of colour blindness causing a lower sensitivity to red light.

“He asked them to use blue for emphasis because the red they were using appeared black due to his protanomaly.”

Scrabble 18
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Meanings

nounprotanomaly (countable and uncountable, plural protanomalies)

plural protanomalies

  1. countableuncountablemedicineA form of colour blindness causing a lower sensitivity to red light.

    He asked them to use blue for emphasis because the red they were using appeared black due to his protanomaly.

Origin

From proto- + anomaly.

Full word history & related roots →

Translations

Finnish protanomalia, punaheikkous
  • protanomaliaform of colour blindness
  • punaheikkousform of colour blindness
Cite this entry
APA

protanomaly. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/protanomaly

MLA

“protanomaly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protanomaly. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “protanomaly,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/protanomaly.

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