isobutylene
noun
isobutylene is spelled I-S-O-B-U-T-Y-L-E-N-E: 11 letters. It appears about once in every 69 million words in written English, the 262,293rd most frequent word form (wordfreq, 2021 data). As a noun, isobutylene means “methylpropene; isobutene” (English Wiktionary, September 2026). The plural of isobutylene is isobutylenes.
How many letters and syllables are in isobutylene?
| Letters | 11: I-S-O-B-U-T-Y-L-E-N-E |
|---|---|
| In writing | about once in every 69 million words; the 262,293rd 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 isobutylene?
Isobutylene appears about once in every 69 million words in written English, the 262,293rd 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 isobutylene
- isobutylenes plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does isobutylene mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
methylpropene; isobutene
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does isobutylene come from?
From iso- + butylene or isobutyl + -ene?
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).