metallocene

[ muh-tal-uh-seen ]
/ məˈtæl əˌsin /

noun Chemistry.

an organometallic coordination compound consisting of a metal bonded to one or two rings of cyclopentadiene.
Compare ferrocene.

Origin of metallocene

metallo- + -cene < Greek koinós shared (see ceno-2)

British Dictionary definitions for metallocene

metallocene
/ (mɪˈtæləʊˌsiːn) /

noun

chem any one of a class of organometallic sandwich compounds of the general formula M(C 5 H 5) 2, where M is a metal atom See ferrocene

Word Origin for metallocene

C20: from metallo- + -cene, as in ferrocene