semisynthetic

English Thesaurus

1. not of natural origin; prepared or made artificially (adj.all)

similar	:	artificial, unreal,
definition	:	contrived by art rather than nature (adj.all)

domain category	:	chemical science, chemistry,
definition	:	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions (noun.cognition)