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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
Run a cool-mist humidifier in their room to combat dry air and help break up excess mucus.
—Korin Miller, SELF, 30 Oct. 2024
This includes resting to give your body time to recover, staying hydrated to help thin mucus for easier expulsion, and using over-the-counter medications, such as cough suppressants or pain relievers, to manage symptoms.
—Jake Parks, Discover Magazine, 22 Oct. 2024
Yes, the congestion aid with the commercials featuring the giant, green mucus man.
—Melissa Willets, Parents, 28 Sep. 2024
Excess mucus in the back of the throat (known as post-nasal drip) causes these glands to swell, leading to the pebble-like appearance of the back of the throat.2
A wide range of health conditions and factors cause this immune reaction.
—Mark Gurarie, Health, 21 Sep. 2024
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Cite this Entry
“Mucus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucus. Accessed 5 Nov. 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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