/ Dictionary / Index P prestressed concrete: Meaning and Definition of Find definitions for: pre'stressed con'crete Pronunciation: [key] concrete reinforced with wire strands, pretensioned or post-tensioned within their elastic limit to give an active resistance to loads. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prestress Prestwick Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language