/ Dictionary / Index N nickel carbonyl: Meaning and Definition of Find definitions for: nick'el car'bonyl Pronunciation: [key] — Chem. Chem. a colorless or yellow, volatile, water-insoluble, poisonous, flammable liquid, Ni(CO), obtained by the reaction of nickel and carbon monoxide, and used for nickel-plating. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nickel-cadmium battery Nickel Centre Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language