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abbreviation or noun

: multisystem inflammatory syndrome in children
The features of MIS-C include signs that the blood vessels and organs are irritated or inflamed.Elaine Cox
The syndrome appears to be rare, but the Centers for Disease Control and Prevention—which recently dubbed the condition MIS-C or multisystem inflammatory syndrome in children—has expressed alarm about the rapid decline of patients with the illness.Ariana Eunjung Cha and Chelsea Janes

Word History

First Known Use

Abbreviation Or Noun

2020, in the meaning defined above

Time Traveler
The first known use of misc was in 2020

Dictionary Entries Near misc

Cite this Entry

“Misc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/misc. Accessed 30 Mar. 2023.

Medical Definition


abbreviation or noun
: multisystem inflammatory syndrome in children
The medical condition, known as multisystem inflammatory syndrome in children, or MIS-C, is a rare but potentially deadly medical condition typically affecting multiple organs—including the heart, kidneys, brain, among others—that has been detected in children or young adults up to 21 years of age who are believed to have had COVID-19 or been exposed to it, according to the federal Centers for Disease Control.Andy East, The Republic (Columbus, Indiana)
Most children with MIS-C have persistent high fevers for three or more days, but then exhibit a range of symptoms in various combinations reflecting inflammation in multiple organs of the body.Sandra L. Fenwick, The Boston Globe
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