noun, noun which may take the genitive case particle 'no'
protozoan
Biological term for single-celled eukaryotic organisms. Often used in medical and scientific contexts, e.g., parasitic protozoa.
Malaria is a disease caused by protozoans.
Antiprotozoal drugs are used to treat protozoan infections.
malaria parasite; plasmodium
Compound of 原 (gen, 'primitive') and 虫 (chū, 'insect, worm, bug'), literally 'primitive bug'. The term was coined in biology to refer to single-celled animal-like organisms.