noun🔗ShareFerrocèneAny of a class of metallocenes containing an iron atom between two cyclopentadienyl rings; especially the simplest of the class bis-cyclopentadienyl iron."A chemist studied ferrocene, a compound with iron sandwiched between two rings, for its potential use in new types of batteries. "Un chimiste a étudié le ferrocène, un composé avec du fer pris en sandwich entre deux cycles, pour son utilisation potentielle dans de nouveaux types de batteries.compoundchemistrymaterialChat with AIVocabulary GamePractice Reading