en·​ceph·​a·​lo·​my·​eli·​tis in-ˌse-fə-lō-ˌmī-ə-ˈlī-təs How to pronounce encephalomyelitis (audio)
plural encephalomyelitides in-ˌse-fə-lō-ˌmī-ə-ˈli-tə-ˌdēz How to pronounce encephalomyelitis (audio)
: concurrent inflammation of the brain and spinal cord
especially : equine encephalitis

Examples of encephalomyelitis in a Sentence

Recent Examples on the Web Murdoch was diagnosed with myalgic encephalomyelitis more than two decades ago, before starting Belle and Sebastian. Jonathan Cohen, SPIN, 24 Jan. 2023 Six months after testing positive for COVID-19, Nichols was diagnosed with chronic fatigue syndrome, also known as myalgic encephalomyelitis, or ME/CFS, which affects more than 1 million Americans and causes many of the same symptoms as COVID-19. Liz Szabo, Dallas News, 18 Mar. 2022 Myalgic encephalomyelitis/chronic fatigue syndrome, or ME/CFS, is a serious long-term illness, in which people have overwhelming fatigue that is not improved by rest. Sandee Lamotte, CNN, 11 Jan. 2023 Piotr Marcinski/Shutterstock Myalgic encephalomyelitis, or chronic fatigue syndrome, is a perplexing disorder that may seem more like a voodoo hex than an illness. Jill Neimark, Discover Magazine, 3 Apr. 2013 But now, in a study in PLoS One, a British research team has cast doubt on the American team's findings, saying there's no conclusive link between the virus and chronic fatigue syndrome, which is also known as myalgic encephalomyelitis. Andrew Moseman, Discover Magazine, 7 Jan. 2010 Only a couple dozen doctors specialize in myalgic encephalomyelitis, or chronic fatigue syndrome (ME/CFS). Ed Yong, The Atlantic, 26 Sep. 2022 Two cases of encephalomyelitis — inflammation in the brain and spinal cord — have been reported, both in previously healthy gay men in their 30s. Apoorva Mandavilli, BostonGlobe.com, 26 Sep. 2022 Cokley added that for many patients, long COVID mirrors the symptoms that people have experienced with myalgic encephalomyelitis, also known as chronic fatigue syndrome. Los Angeles Times, 21 Apr. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'encephalomyelitis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of encephalomyelitis was in 1908

Dictionary Entries Near encephalomyelitis

Cite this Entry

“Encephalomyelitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/encephalomyelitis. Accessed 22 Jun. 2024.

Medical Definition


en·​ceph·​a·​lo·​my·​eli·​tis in-ˌsef-ə-lō-ˌmī-ə-ˈlīt-əs How to pronounce encephalomyelitis (audio)
plural encephalomyelitides -ə-ˈlit-ə-ˌdēz How to pronounce encephalomyelitis (audio)
encephalomyelitic adjective

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