/ Dictionary / Index L linear measure: Meaning and Definition of Find definitions for: lin'ear meas'ure Pronunciation: [key] any system for measuring length. any unit used in linear measurement, as the inch, foot, meter, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. linear manifold linear operator 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