semisynthetic

adjective semi·syn·thet·ic \-sin-ˈthe-tik\

Definition of SEMISYNTHETIC

: produced by chemical alteration of a natural starting material <semisynthetic penicillins>

: containing both chemically identified and complex natural ingredients <a semisynthetic diet>

1937

Medical Dictionary

adjective semi·syn·thet·ic \-sin-ˈthet-ik\

: produced by chemical alteration of a natural starting material <semisynthetic penicillins>

: 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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