sarcoidosis

sar·coid·o·sis

noun \ˌsär-ˌkȯid-ˈō-səs\

plural sar·coid·o·ses \-ˌsēz\

Definition of SARCOIDOSIS

: a chronic disease of unknown cause that is characterized by the formation of nodules resembling true tubercles especially in the lymph nodes, lungs, bones, and skin—called also Boeck's disease, Boeck's sarcoid, lupus pernio