Related Words

Chroma: The purity or degree of saturation of a color; relative absence of white or gray in a color.

Chromatic: Melody or harmony built from many if not all twelve semitones of the octave. A chromatic scale consists of an ascending or descending sequence of semitones.

Euchromatin: The chromatin that shows the staining behavior characteristic of the majority of the chromosomal complement.

Achromatic: Lens system that has been corrected for chromatic aberration.

Column Chromatography: Column chromatography is a method for separating mixtures. A solution containing the mixture is passed through a narrow tube packed with a stationary phase. Different substances in the mixtu . . . View Full Definition

Potassium Dichromate: See potassium bichromate.

Bichromate: Refers to potassium bichromate or potassium dichromate, used for bleaching and as a sensitizer for gelatin.

Gum Bichromate: Contact printing process once very popular for the manipulative, impressionistic effects it makes possible. Drawing paper is coated with a mixture of gum, potassium bichromate and a pigment . . . View Full Definition

Panchromatic Vision Filter: Filter through which the subject can be viewed approximately as it would appear in monochrome as recorded by a panchromatic emulsion.

Apochromat: Lens corrected for chromatic aberration in all three primary colors.