半はん合ごう成せい

noun which may take the genitive case particle 'no'

semi-synthetic

Used in chemistry and pharmacology to describe compounds derived from natural products through chemical modification.

• この抗こう生せい物ぶっ質しつは半はん合ごう成せいペニシリンです。

  This antibiotic is a semi-synthetic penicillin.