Source : Webster's Revised Unabridged Dictionary (1913)

Sporozoite \Spo`ro*zo"ite\, n. (Zo["o]l.)
   In certain Sporozoa, a small active, usually elongate,
   sickle-shaped or somewhat am[oe]boid spore, esp. one of those
   produced by division of the passive spores into which the
   zygote divides. The sporozoites reproduce asexually.

Source : WordNet®

sporozoite
     n : one of the minute active bodies into which sporozoans divide
         in one stage of their life cycle