ferrocene
/ˈfɛɹəsiːn/noun
ferrocene is a noun meaning “Any of a class of metallocenes containing an iron atom between two cyclopentadienyl rings; especially the simplest of the class bis-cyclopentadienyl…” (English Wiktionary, September 2026). It is spelled F-E-R-R-O-C-E-N-E, and it appears about once in every 28 million words in written English (wordfreq, 2021 data). The plural of ferrocene is ferrocenes.
What does ferrocene mean?
noun
- 1
Any of a class of metallocenes containing an iron atom between two cyclopentadienyl rings; especially the simplest of the class bis-cyclopentadienyl iron.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce ferrocene?
- /ˈfɛɹəsiːn/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Tesco250-ferrocene.wav, Wikimedia Commons (author and licence on each file's page).
Forms of ferrocene
- ferrocenes plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is ferrocene?
Ferrocene appears about once in every 28 million words in written English, the 159,707th 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).
Where does ferrocene come from?
Blend of ferrous + benzene, coined by Mark Whiting, a postdoc with Robert Burns Woodward.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).