fractionate

verb

Etymology: Etymology tree Middle English fraccioun English fraction Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English fractionate From fraction + -ate (verb-forming suffix).

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. To divide a total dose of radiation into fractions.
3. To divide each plaintext symbol into several ciphertext symbols as a preliminary stage of encryption.
4. To use the technique of fractionation in hypnosis.