: 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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Symptoms include thickened mucus, and this can be a short-term or chronic illness, according to the Mayo Clinic.
—
Dan Perry, Newsweek, 4 Jan. 2025
When mucus linings are inflamed or dried out, blood vessels become exposed.
—Jocelyn Solis-Moreira, CNN, 4 Dec. 2024
And to sleep, some parrotfish engulf themselves in a mucus cocoon.
—Vox Staff, Vox, 5 Nov. 2024
The theory behind the Mucinex method is about cervical mucus.
—Fiorella Valdesolo, Vogue, 20 Dec. 2024
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Dan Perry, Newsweek, 4 Jan. 2025
When mucus linings are inflamed or dried out, blood vessels become exposed.
—Jocelyn Solis-Moreira, CNN, 4 Dec. 2024
And to sleep, some parrotfish engulf themselves in a mucus cocoon.
—Vox Staff, Vox, 5 Nov. 2024
The theory behind the Mucinex method is about cervical mucus.
—Fiorella Valdesolo, Vogue, 20 Dec. 2024
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 22 Jan. 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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