semisynthetic

[ sem-ee-sin-thet-ik, sem-ahy- ]
/ ˌsɛm i sɪnˈθɛt ɪk, ˌsɛm aɪ- /

adjective Chemistry.

derived synthetically from one or more substances of natural origin.

Origin of semisynthetic

First recorded in 1935–40; semi- + synthetic

Words nearby semisynthetic

semisubmersible, semisubmersible rig, semisubterranean, semisulcus, semisweet, semisynthetic, semisystematic name, semite, semitendinous muscle, semiterrestrial, semitic

Medical definitions for semisynthetic

semisynthetic
[ sĕm′ē-sĭn-thĕt′ĭk, sĕm′ī- ]

adj.

Prepared by chemical synthesis from natural materials, as of a pharmaceutical.
Consisting of a mixture of natural and synthetic substances.