byssinosis

bys·si·no·sis

noun \ˌbis-ə-ˈnō-səs\

plural bys·si·no·ses \-ˌsēz\

Definition of BYSSINOSIS

: an occupational respiratory disease associated with inhalation of cotton, flax, or hemp dust and characterized initially by chest tightness, shortness of breath, and cough, and eventually by irreversible lung disease—called also brown lung, brown lung disease, mill fever