Definition

1. Adjective:
   • Having or involving three colors: Describes something that uses, contains, or is based on three distinct colors. This term is often used in scientific and technical contexts, such as vision, printing, and photography.

Usage and Examples

• General Use:
  • Trichromatic vision is the normal human ability to perceive colors through three types of cone cells in the eye.
  • The artist used a trichromatic palette of red, yellow, and blue for the entire series.
• Technical/Scientific Use:
  • A trichromatic printing process uses cyan, magenta, and yellow inks to create a full spectrum of colors.
  • Trichromatic staining is a laboratory technique for highlighting different structures in a tissue sample with three distinct dyes.

Advanced Usage

• Trichromatic Theory: A theory in color vision stating that all colors can be matched by a mixture of three primary colored lights.
  • The trichromatic theory of color vision was first proposed in the 19th century.
• Trichromatic Coefficient: A numerical value in colorimetry representing the relative amounts of three primary colors needed to match a given color.
  • The color was defined by its trichromatic coefficients on the chart.

Variants and Related Words

• Trichromacy (n): The condition of having trichromatic vision.
  • Normal human color vision is a form of trichromacy.
• Trichromat (n): An individual with normal trichromatic vision.
  • Most humans are trichromats.
• Tricolor (adj): Having three colors. (Note: Often used interchangeably with "trichromatic" in non-technical contexts, especially for flags or emblems).
  • The national flag is a tricolor banner.

Synonyms

• Three-colored: Having three colors.
• Tri-colored: Having three colors (alternative spelling).

Antonyms

• Monochromatic: Having or using only one color or shades of one color.
• Dichromatic: Having or involving two colors.

Adjective

1. having or involving three colors
   • trichromatic vision
   • a trichromatic printing process
   • trichromatic staining is the staining of tissue samples differentially in three colors
   • tricolor plumage
   • a tricolor process in photography