Definition of sporozoan
: any of a large class (Sporozoa) of strictly parasitic nonmotile protozoans that have a complex life cycle usually involving both asexual and sexual generations often in different hosts and include important pathogens (such as malaria parasites and babesias)
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Merriam-Webster unabridgedWords at Play
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Time Traveler for sporozoan
The first known use of sporozoan was in 1888
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