C14: from Old French, from Late Latin dēcoctiō, from dēcoquere to boil down, from coquere to cook
decoction in the Pharmaceutical IndustryPowered by COBUILD (dɪkɒkʃən)
Word forms: (regular plural) decoctions
(Pharmaceutical: Drugs) A decoction is the essence or liquor that you decoct from a substance. ⇒ I took out some of the decoction just after the liquid started to boil and strained it. ⇒ Boil the leaves in water and drink the resulting decoction. ⇒ A decoction is the essence or liquor that you decoct from a substance.