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 (sĕm′ē-sĭn-thĕt′ĭk, sĕm′ī-)
1. Prepared by chemical synthesis from natural materials: a semisynthetic antibiotic.
2. Consisting of a mixture of natural and synthetic substances: a semisynthetic culture medium.


(Textiles) textiles partly synthetic and partly natural in composition


(ˌsɛm i sɪnˈθɛt ɪk, ˌsɛm aɪ-)

derived synthetically from one or more substances of natural origin.
sem`i•syn•thet′i•cal•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.semisynthetic - not of natural originsemisynthetic - not of natural origin; prepared or made artificially; "man-made fibers"; "synthetic leather"
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
artificial, unreal - contrived by art rather than nature; "artificial flowers"; "artificial flavoring"; "an artificial diamond"; "artificial fibers"; "artificial sweeteners"
References in periodicals archive ?
In fact, several efforts have been developed towards the effective semisynthesis of this compound (Huang et al.
Semisynthesis of Antitumoral Acetogenins: SAR of Functionalized Alkyl-Chain Bis-Tetrahydrofuranic Acetogenins, Specific Inhibitors of Mitochondrial Complex I.
Enhancing marine natural product structural diversity and bioactivity through semisynthesis and biocatalysis.