cryp·to·coc·cus 
(krĭp′tə-kŏkəs)
(krĭp′tə-kŏkəs)n.
Any of various yeastlike fungi of the genus Cryptococcus, commonly occurring in the soil and including certain pathogenic species, such as the causative agent of cryptococcosis.
cryp′to·coccal adj.