dichromasy
Definition
- Noun:
- A form of color vision deficiency in which a person can match any perceived color using only two primary wavelengths of light, instead of the three required for normal color vision. This condition results in a reduced ability to distinguish between certain colors.
Usage Examples
- Noun:
- Dichromasy is a specific type of color blindness.
- His dichromasy makes it difficult for him to tell red from green.
- The test confirmed a diagnosis of dichromasy.
Advanced Usage
- Scientific/Medical Context: The term is used in ophthalmology and genetics to describe a specific, inherited deficiency in retinal cone cells.
- The study focused on the genetic markers associated with dichromasy.
Variants and Related Words
- Dichromacy (n): A synonymous term for dichromasy.
- Dichromat (n): A person who has dichromasy.
- Dichromatic (adj): Relating to or having dichromasy.
- Dichromatic vision is common in many mammals.
Synonyms
- Red-green color blindness: A common form of dichromasy.
- Color vision deficiency: A broader term that includes dichromasy.
Related Terms (Not Phrasal Verbs)
- Anomalous trichromacy: A milder color vision deficiency where three wavelengths are used but one is perceived abnormally.
- Monochromacy: A complete absence of color vision, where only one wavelength type is functional.
Noun
-
a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)
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