/ Dictionary / Index S surface tension: Meaning and Definition of Find definitions for: sur'face ten'sion Pronunciation: [key] — Physics. Physics. the elasticlike force existing in the surface of a body, esp. a liquid, tending to minimize the area of the surface, caused by asymmetries in the intermolecular forces between surface molecules. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. surface structure surface-to-air Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language