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metallocene

American  
[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.

metallocene British  
/ mɪˈtæləʊˌsiːn /

noun

  1. 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

"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

Etymology

Origin of metallocene

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.