/ Dictionary / Index L linear operator: Meaning and Definition of Find definitions for: lin'ear op'erator Pronunciation: [key] — Math. Math. a mathematical operator with the property that applying it to a linear combination of two objects yields the same linear combination as the result of applying it to the objects separately. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. linear measure linear perspective Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language