cystic fibrosis

noun
Updated on: 18 Nov 2017

Definition of cystic fibrosis

: a common hereditary disease that appears usually in early childhood, involves functional disorder of the exocrine glands, and is marked especially by difficulty in breathing due to mucus accumulation in airways, by faulty digestion due to a deficiency of pancreatic enzymes, and by excessive loss of salt in the sweat
Note: Cystic fibrosis occurs especially in Caucasian populations and is inherited as an autosomal recessive trait requiring that both parents pass on a copy of the defective gene on a chromosome other than a sex chromosome.

Recent Examples of cystic fibrosis from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cystic fibrosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cystic fibrosis

1938


CYSTIC FIBROSIS Defined for English Language Learners

cystic fibrosis

noun

Definition of cystic fibrosis for English Language Learners

  • medical : a very serious disease that usually appears in young children and that makes it hard to breathe and to digest food properly


Medical Dictionary

cystic fibrosis

noun

medical Definition of cystic fibrosis

: a hereditary disease prevalent especially in Caucasian populations that appears usually in early childhood, is inherited as an autosomal recessive monogenic trait, involves functional disorder of the exocrine glands, and is marked especially by faulty digestion due to a deficiency of pancreatic enzymes, by difficulty in breathing due to mucus accumulation in airways, and by excessive loss of salt in the sweat called also fibrocystic disease of the pancreas, mucoviscidosis

Learn More about cystic fibrosis


Seen and Heard

What made you want to look up cystic fibrosis? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

food, provisions, or a tasty dish

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!