furunculosis noun. 
[fjʊ,rʌŋkjǝ'lǝʊsɪs] Pl. -loses 
[-'lǝʊsi:z]. 
L19.[formed as FURUNCLE + -OSIS.]1.  Medicine. A condition marked by the occurrence of multiple and often recurrent boils. 
L19.2.  A bacterial disease of salmonid fishes, marked by ulcers resembling boils. 
E20.  [TahlilGaran] English Dictionary ▲