isobutene
noun
isobutene is spelled I-S-O-B-U-T-E-N-E: 9 letters. It appears about once in every 98 million words in written English, the 317,168th most frequent word form (wordfreq, 2021 data). As a noun, isobutene means “The unsaturated hydrocarbon methylpropene, (CH₃)₂C=CH₂; used in the manufacture of polybutene and butyl rubber” (English Wiktionary, September 2026). The plural of isobutene is isobutenes.
How many letters and syllables are in isobutene?
| Letters | 9: I-S-O-B-U-T-E-N-E |
|---|---|
| In writing | about once in every 98 million words; the 317,168th most frequent word form |
| Wrong spellings searched | none 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 isobutene?
Isobutene appears about once in every 98 million words in written English, the 317,168th 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 isobutene
- isobutenes plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does isobutene mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The unsaturated hydrocarbon methylpropene, (CH₃)₂C=CH₂; used in the manufacture of polybutene and butyl rubber.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Isobutene in Spanish, French, German and Portuguese
In the sense unsaturated hydrocarbon methylpropene:
| Language | Words |
|---|---|
| French | isobutène, isobutylène, méthylpropène, 2-méthylpropène |
| German | Isobuten |
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 isobutene come from?
From iso- + butene.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).