ferrocene

[fer-uh-seen]
noun Chemistry.
1.
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.
2.
Also called dicyclopentadienyl metal. any of a class of analogous compounds containing a metal other than iron, as nickel or osmium.

Origin:
1950–55; ferro- + c(yclopentadi)ene

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World English Dictionary
ferrocene (ˈfɛrəʊˌsiːn)
 
n
a reddish-orange insoluble crystalline compound. Its molecules have an iron atom sandwiched between two cyclopentadiene rings. Formula: Fe(C5H5)2
 
[C20: from ferro- + c(yclopentadi)ene]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
Encyclopedia

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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Example sentences for ferrocene
Conclusion ferrocene is expected to be an isolable compound.
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