semisynthetic


semi·syn·thet·ic

adj \-sin-ˈthet-ik\

Definition of SEMISYNTHETIC

1
: produced by chemical alteration of a natural starting material <semisynthetic penicillins>
2
: containing both chemically identified and complex natural ingredients <a semisynthetic diet>
semi·syn·thet·i·cal·ly \-i-k(ə-)lē\ adverb

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