/ Dictionary / Index F factor of adhesion: Meaning and Definition of Find definitions for: fac'tor of adhe'sion Pronunciation: [key] — Railroads. Railroads. the ratio of the force that can be exerted on driving wheels with full traction to the weight on the driving wheels, usually expressed as a percentage. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. factorize factor of production 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