/ Dictionary / Index S sputtering: Meaning and Definition of Find definitions for: sput•ter•ing Pronunciation: (sput'ur-ing), [key] a process that uses ions of an inert gas to dislodge atoms from the surface of a crystalline material, the atoms then being electrically deposited to form an extremely thin coating on a glass, metal, plastic, or other surface. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sputtering (Thesaurus) sputter sputum Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language