cystic fi‧bro‧sis /ˌsɪstɪk faɪˈbrəʊsəs $ -ˈbroʊ-/ 
 noun [uncountable][
Date: 1900-2000; 
Origin: fibrosis 'increase of fiber in a part of the body' 1800-1900 Modern Latin, from Latin fibra;  ⇒ fiber]
 a serious medical condition, especially affecting children, in which breathing and 
digesting food is very difficult 
 [TahlilGaran] Dictionary of Contemporary English ▲