Gradation

Gradation may refer to:


 * Gradation (music), gradual change within one parameter or an overlapping of two blocks of a wavelength.
 * Gradation (album), 1988 pop album by Shizuka Kudo
 * Gradation (art), visual technique of gradually transitioning from one colour or texture to another
 * Consonant gradation, mutation in which consonant sounds alternate between various "grades"
 * Apophony or vowel gradation, sound change within a word that indicates grammatical information
 * Calibration, comparison of measurement values of a device with a standard of known accuracy
 * Production of a graded algebra