n 1  cap  :  a genus of parasitic imperfect fungi of the order Moniliales that resemble yeasts, produce small amounts of mycelium, occur esp. in the mouth, vagina, and intestinal tract, are usu. benign but can become pathogenic, and include the causative agent (C. albicans) of thrush  2  :  any fungus of the genus Candida can*di*dal adj 
 
 
 
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