IPA: /məˌlɛr.iˈɒl.ə.dʒɪst/
KK: /məlˈɛrɪəˌlɒdʒɪst/
A specialist who studies malaria, a disease caused by parasites that are transmitted to humans through the bites of infected mosquitoes.
The malariologist conducted research to find new treatments for the disease.
Malariologist → It is formed from "malaria" (from Italian *mala aria*, meaning bad air) and "-ologist" (from Greek *-logia*, meaning study of). The word refers to a specialist who studies malaria, which was historically thought to be caused by bad air.
Think of 'malaria' meaning 'bad air' and '-ologist' meaning someone who studies — a malariologist is someone who studies the bad air associated with malaria.