/ Dictionary / Index S safety film: Meaning and Definition of Find definitions for: safe'ty film" Pronunciation: [key] a film having a nonflammable base of triacetate cellulose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. safety factor safety fuze Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language