metallocene

M3E1T1A1L1L1O1C3E1N1E1
/mɪˈtæləsiːn/

noun

Any of a class of organic compounds containing two cyclopentadienyl anions and a transition metal whose bonding involves overlap of ns and np orbitals of the metal with molecular orbitals of appropriate symmetry of each cyclopentadienyl ring; the rings are parallel to each other, or sometimes canted.

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Meanings

nounmetallocene (plural metallocenes)

plural metallocenes

  1. chemistryAny of a class of organic compounds containing two cyclopentadienyl anions and a transition metal whose bonding involves overlap of ns and np orbitals of the metal with molecular orbitals of appropriate symmetry of each cyclopentadienyl ring; the rings are parallel to each other, or sometimes canted.

Synonyms & antonyms

Also see
cyclopentadienyl complex

Origin

From metallo- + c(yclopentadi)ene. First used in ferrocene.

Full word history & related roots →

Translations

Catalan metal·locè
  • metal·locèorganic compound
Chinese Mandarin 茂金屬 /茂金属
  • 茂金屬 /茂金属 (màojīnshǔ)organic compound
Finnish metalloseeni
  • metalloseeniorganic compound
French métallocène
  • métallocèneorganic compound
German Metallocen
  • Metallocenorganic compound
Italian metallocene
  • metalloceneorganic compound
Japanese メタロセン
  • メタロセン (metarosen)organic compound
Korean 메탈로센
  • 메탈로센 (metallosen)organic compound
Persian متالوسن
  • متالوسنorganic compound
Cite this entry
APA

metallocene. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/metallocene

MLA

“metallocene.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/metallocene. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “metallocene,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/metallocene.

Source: metallocene on Wiktionary, CC BY-SA 4.0.