noun.
A drug, C15H22O5, derived from a species of artemisia (Artemisia annua) or produced synthetically and used to treat malaria that is resistant to conventional drug therapy.
noun.
an anti-malarial drug derived from the wormwood shrub, found as the active ingredient in traditional Chinese medical herbal treatment for malaria, chemically a sesquiterpenelactone
Word Usage
"Experts say it may only be a matter of time before the highly adaptable malaria parasite evolves to outsmart the compound artemisinin, which is currently the best – and last – line of defence against the disease."