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alkyl

/ˈælkaɪl/noun

alkyl is spelled A-L-K-Y-L: 5 letters. It appears about once in every 2 million words in written English, the 36,565th most frequent word form (wordfreq, 2021 data). As a noun, alkyl means “Any of a series of univalent radicals of the general formula CₙH₂ₙ₊₁ derived from aliphatic hydrocarbons. In other words, an alkane minus one…” (English Wiktionary, September 2026). The plural of alkyl is alkyls.

How many letters and syllables are in alkyl?

Letters5: A-L-K-Y-L
In writingabout once in every 2 million words; the 36,565th most frequent word form
Wrong spellings searchednone measured in search

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).

How common is alkyl?

Alkyl appears about once in every 2 million words in written English, the 36,565th 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).

How do you pronounce alkyl?

  • /ˈælkaɪl/
  • /ˈælkɪl/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-alkyl.wav, Wikimedia Commons (author and licence on each file's page).

Forms of alkyl

  • alkyls plural

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

What does alkyl mean?

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

noun

  1. 1

    Any of a series of univalent radicals of the general formula CₙH₂ₙ₊₁ derived from aliphatic hydrocarbons. In other words, an alkane minus one hydrogen atom.

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

Alkyl in Spanish, French, German and Portuguese

In the sense univalent radical of the general formula CnH2n+1:

LanguageWords
Frenchalkyle
GermanAlkyl
Portuguesealquila
Spanishalquilo

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 alkyl come from?

From alc(ohol) + -yl.

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

What to look up after alkyl