title: Chromate
text: # Chromate
  
  Chromate or chromat, and their derived terms, may refer to:
  
  ## Chemistry
  
  * Chromate and dichromate, ions
  * Monochromate, an ion
  * Trichromate, an ion
  * Tetrachromate, an ion
  * Chromate conversion coating, a method for passivating metals
  
  ## Biology
  
  * Monochromacy (monochromate) having one color vision
  * Dichromatism (dichromate) having two color vision
  * Trichromacy (trichromate) having three color vision
  * Trichrome staining, a staining method
  * Tetrachromacy (tetrachromate) having four color vision
  
  ## Other
  
  * Chromat, a fashion label
  * Monochromatic or monochrome, images composed of one color (or values of one color)
  