metallocene
/mɪˈtæləsiːn/
Word Rarity
Very rare
Frequency: Zipf frequency 1.42 in modern English
15
Scrabble Score
11
Letters
3
Syllables
8
Unique Chars
Meaning
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.