Definition of medicamental in US English:

medicamental

adjective

rare
  • Of the nature of a medicine, medicinal; involving a medicine.

Origin

Mid 17th century; earliest use found in Richard Tomlinson (fl. 1657). From medicament + -al. Compare earlier medicamentally.

Pronunciation

medicamental

/ˌmɛdɪkəˈmɛntəl/