What does cystic fibrosis mean?
• CYSTIC FIBROSIS (noun) The noun CYSTIC FIBROSIS has 1 sense: 1. the most common congenital disease; the child’s lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; there is no cure Familiarity information: CYSTIC FIBROSIS used as a noun is very rare.