spo·ro·zo·ite (spôr??-z???t?)n. Any of the cells that are released from the oocyst of an apicomplexan parasite and invade a new host cell.[sporozo(an) + -ite.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.sporozoite (?sp??r??z??a?t; ?sp?-) n (Biology) any of numerous small mobile usually infective individuals produced in sporozoans by sporogonyCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014spo?ro?zo?ite (?sp?r ??zo? a?t, ?spo?r-) n. one of the minute, active bodies into which the spore of certain sporozoans divides, each developing into an adult individual. [1885?90] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.