: a viscid slippery secretion that is usually rich in mucins and is produced by mucous membranes which it moistens and protects
Examples of mucus in a Sentence
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Unfortunately for this fish, crinoids don't have much nutrition and have a coating of mucus that can be toxic to fish.
—
James Doubek, NPR, 29 Jan. 2025
Those sickened can have chest pain, feel weak and cough up blood or mucus from the respiratory tract, according to the CDC.
—Mirna Alsharif, NBC News, 28 Jan. 2025
By releasing a small amount of progestin daily, hormonal IUDs thicken cervical mucus, forming a barrier that blocks sperm from reaching the egg.
—Lindsay Curtis, Verywell Health, 15 Jan. 2025
Beyond obvious symptoms such as a scratchy throat and runny nose, Hur urges people to watch for changes in their sense of smell or whether their normally thin, clear mucus becomes thicker.
—Jackie Snow, Los Angeles Times, 11 Jan. 2025
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James Doubek, NPR, 29 Jan. 2025
Those sickened can have chest pain, feel weak and cough up blood or mucus from the respiratory tract, according to the CDC.
—Mirna Alsharif, NBC News, 28 Jan. 2025
By releasing a small amount of progestin daily, hormonal IUDs thicken cervical mucus, forming a barrier that blocks sperm from reaching the egg.
—Lindsay Curtis, Verywell Health, 15 Jan. 2025
Beyond obvious symptoms such as a scratchy throat and runny nose, Hur urges people to watch for changes in their sense of smell or whether their normally thin, clear mucus becomes thicker.
—Jackie Snow, Los Angeles Times, 11 Jan. 2025
See all Example Sentences for mucus
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Cite this Entry
“Mucus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucus. Accessed 2 Feb. 2025.
Copy CitationKids Definition
mucus
noun
mu·cus
ˈmyü-kəs 
: a slippery sticky substance produced especially by mucous membranes which it moistens and protects
Medical Definition
mucus
noun
mu·cus
ˈmyü-kəs
: a viscid slippery secretion that is usually rich in mucins and is produced by mucous membranes which it moistens and protects
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