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[fer-uh-seen] /ˈfɛr əˌsin/
noun, Chemistry
Also called dicyclopentadienyliron. an orange, crystalline, water-insoluble coordination compound, (C 5 H 5) 2 Fe, having a camphorlike odor: used chiefly as an antiknock agent for gasoline and as a catalyst.
Compare metallocene.
Also called dicyclopentadienyl metal. any of a class of analogous compounds containing a metal other than iron, as nickel or osmium.
1950-55; ferro- + c(yclopentadi)ene Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ferrocene
  • Conclusion ferrocene is expected to be an isolable compound.
British Dictionary definitions for ferrocene


a reddish-orange insoluble crystalline compound. Its molecules have an iron atom sandwiched between two cyclopentadiene rings. Formula: Fe(C5H5)2
Word Origin
C20: from ferro- + c(yclopentadi)ene
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for ferrocene

the earliest and best known of the so-called sandwich compounds; these are derivatives of transition metals in which two organic ring systems are bonded symmetrically to the metal atom. Its molecular formula is (C5H5)2Fe.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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