Metallocene
[muh-tal-uh-seen] /məˈtæl əˌsin/
noun, Chemistry.
1.
an organometallic coordination compound consisting of a metal bonded to one or two rings of cyclopentadiene.
/mɪˈtæləʊˌsiːn/
noun
1.
(chem) any one of a class of organometallic sandwich compounds of the general formula M(C5H5)2, where M is a metal atom See ferrocene
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