1. a scientist who studies parasites and parasitic diseases
Usage: countable noun; professional/academic term

Examples

• The parasitologist examined blood samples to identify the malaria parasite.
• Dr. Chen is a parasitologist specializing in tropical diseases.
• Parasitologists work to develop treatments for infections caused by parasitic worms.
• The research team included a parasitologist who studied tick-borne illnesses.
• Many parasitologists focus on diseases that affect populations in developing countries.