fractionated

verb

1. 1

   To separate (a mixture) into its individual constituents by exploiting differences in some chemical or physical property, such as boiling point, particle size, solubility etc.

   “Crude oil is fractionated in a refinery to produce a number of different petroleum products.”

2. 2

   To divide each plaintext symbol into several ciphertext symbols as a preliminary stage of encryption.

3. 3

   To use the technique of fractionation in hypnosis.