- The definition of a trophozoite is a protozoan in its early growing stages.
An example of a trophozoite is a developing creature.
a protozoan, esp. of certain parasitic species, in the feeding and growing stage in contrast with the reproductive and infective stages
Origin of trophozoitetropho- + zo- + -ite
An elongated cell that develops from a sporozoite or a merozoite of an apicomplexan parasite and that feeds and grows within the host.