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demyelination

noun

demyelination is spelled D-E-M-Y-E-L-I-N-A-T-I-O-N. The wrong spelling people search most is demyelization: about 10 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 66 of all searches for the word. Demyelination is a noun meaning “The removal of the myelin sheath from a nerve fibre, usually as a result of disease causing myelinolysis”. The plural of demyelination is demyelinations.

How many letters and syllables are in demyelination?

Letters13: D-E-M-Y-E-L-I-N-A-T-I-O-N
In writingabout once in every 13 million words; the 109,062nd most frequent word form
Wrong spellings searched1; the most searched, demyelization, about 10 Bing searches a month (all of them)

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).

How do you spell demyelination?

Demyelination is spelled D-E-M-Y-E-L-I-N-A-T-I-O-N. One wrong spelling is searched or written often enough to measure; together they are about 1 in 66 of the searches for demyelination in either form.

demyelinationthe right spelling650 searches a month
demyelizationz in place of n10 searches a month

Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.

How common is demyelination?

Demyelination appears about once in every 13 million words in written English, the 109,062nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Forms of demyelination

  • demyelinations plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does demyelination mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    The removal of the myelin sheath from a nerve fibre, usually as a result of disease causing myelinolysis.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Demyelination in Spanish, French, German and Portuguese

In the sense removal of the myelin sheath:

LanguageWords
Frenchdémyélinisation
Portuguesedesmielinização
Spanishdesmielinización

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does demyelination come from?

From de- + myelination or de- + myelin + -ation.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after demyelination