Definition

A condition where a person can only see two colors instead of the usual three due to a deficiency in one type of color receptor in the eyes.

Example

People with dichromatism may have difficulty distinguishing between certain colors, like red and green.

Conversation

I recently learned about dichromatism and how it affects color perception.

Oh really? That sounds interesting!

Yeah, it's fascinating how some people can only see two colors.

I can’t imagine living with dichromatism — it must be tough sometimes.

Synonyms & Antonyms

Root Explanation

Dichromatism → It is formed from "di-" (meaning two) and "chroma" (from Greek "chroma", meaning color) and "-ism" (meaning a condition or theory). The word describes a condition related to two colors, particularly in the context of vision or color perception.

Memory Tip

Think of 'two' ('di-') colors ('chroma') to remember that 'dichromatism' refers to a condition involving two colors.

Visually Confused Words