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Definitions

mucus

[myoo-kuhs] / ˈmyu kəs /
NOUN
secretion
Synonyms




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Born with cystic fibrosis, a genetic disorder that causes mucus to become thick and sticky, she has just 9% lung function.

From BBC • Mar. 24, 2026

CF is a genetic condition that can particularly affect someone's digestive system, as well as their lungs, because their body produces a thick, sticky mucus that coats the organs.

From BBC • Mar. 20, 2026

This sugar is commonly found in mucins, the molecules that form mucus.

From Science Daily • Mar. 16, 2026

Moist environments such as gut mucus, wound fluids, or the urinary tract provide surfaces where bacteria could spread through swashing, even when their flagella are not functioning effectively.

From Science Daily • Mar. 13, 2026

He groggily sat up, snorting back the mucus that had accumulated during the night.

From "Endangered" by Eliot Schrefer




Vocabulary lists containing mucus