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: 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
Recent Examples on the Web
Share [Findings] Stinging water was blamed on jellyfish mucus.
—Rafil Kroll-Zaidi, Harper's Magazine, 24 Apr. 2024
Wet, rattling half-breaths were punctuated by coughs of bloody mucus.
—Christopher Fiorello, The New Yorker, 6 Apr. 2024
Infected birds shed bird flu virus through their saliva, mucus and feces, according to the Centers for Disease Control and Prevention.
—The Enquirer, 3 Apr. 2024
Some common symptoms of the active disease are: Cough that lasts 3 weeks or longer
Pain in the chest
Coughing up blood or mucus
Weakness or fatigue
Loss of appetite
Chills, fever, night sweats
Is there a vaccine?
—Bay Area News Group, The Mercury News, 31 Jan. 2024
This drug-free nasal suction device works quickly to soothe nasal passages by sucking out mucus, allergens and germs.
—Nora Colomer, Fox News, 18 Mar. 2024
Neti pots are commonly used to flush the nasal passages, helping to alleviate allergy symptoms or clear mucus during a sinus infection.
—Cara Lynn Shultz, Peoplemag, 14 Mar. 2024
People who are infected with pathogens can expel them from their bodies in saliva, mucus, blood, urine and feces as well as in respiratory secretions in the form of droplets and aerosols.
—Sabrina Sholts, Smithsonian Magazine, 12 Mar. 2024
In the first years of a child’s life, Creech said parents could use a bulb syringe, used to remove mucus from a baby’s mouth and nose, to help relieve nasal congestion.
—Berkeley Lovelace Jr., NBC News, 9 Jan. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mucus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
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Cite this Entry
“Mucus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucus. Accessed 9 May. 2024.
Kids 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
More from Merriam-Webster on mucus
Nglish: Translation of mucus for Spanish Speakers
Britannica English: Translation of mucus for Arabic Speakers
Britannica.com: Encyclopedia article about mucus
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