semisynthetic

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semisynthetic

 [sem″e-sin-thet´ik]
produced by chemical manipulation of naturally occurring substances.

sem·i·syn·thet·ic

(sem'ē-sin-thet'ik),
Describing the process of synthesizing a particular chemical using a naturally occurring chemical as a starting material, thus obviating part of a total synthesis, for example, the conversion of cholesterol (obtained from a natural source) into a corticosteroid.

semisynthetic

/semi·syn·thet·ic/ (-sin-thet´ik) produced by chemical manipulation of naturally occurring substances.

semisynthetic

(sĕm′ē-sĭn-thĕt′ĭk, sĕm′ī-)
adj.
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.

semisynthetic

[-sinthet′ik]
Etymology: L, semi, half; Gk, synthesis, putting together
pertaining to a natural substance that has been partially altered by chemical manipulation.

sem·i·syn·thet·ic

(sem'ē-sin-thet'ik)
Describing the process of synthesizing a particular chemical using a naturally occurring chemical as a starting material, thus obviating part of a total synthesis.

sem·i·syn·thet·ic

(sem'ē-sin-thet'ik)
Describing process of synthesizing a particular chemical using a naturally occurring chemical as a starting material, thus obviating part of a total synthesis, e.g., conversion of cholesterol into a corticosteroid.

semisynthetic

produced by chemical manipulation of naturally occurring substances.
References in periodicals archive ?
Each of these has been cleared, including the semisynthesis sNDA, which was filed in December 1993.
Semisynthesis and cytotoxicity of styryl-lactone derivatives.
These analogs are produced by semisynthesis involving selective halogenation of paclitaxel's close analog cephalomannine, to produce dihaloisomers of cephalomannine including (2"R, 3"S) and (2"S, 3"R) dichlorocephalomannine, (2"R, 3"S) and (2"S, 3"R) dichloro 7-epi-cephalomannine.