PROTANOPIA

protanopia, red-blindness

(noun) dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue

Source: WordNet® 3.1


Etymology

Noun

protanopia (usually uncountable, plural protanopias)

(pathology) A form of color blindness. Involves a defect in distinguishing between red and green.

Source: Wiktionary



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Word of the Day

4 April 2025

GUILLOTINE

(verb) kill by cutting the head off with a guillotine; “The French guillotined many Vietnamese while they occupied the country”


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Coffee Trivia

There are more than 50 countries that export coffee. They are near the equator, where the climate is conducive to producing coffee beans.

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