Medical Dictionary
semisynthetic
adj semi·syn·thet·ic \-sin-ˈthet-ik\
Medical 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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