/ Dictionary / Index T Trans-Alaska Pipeline: Meaning and Definition of Find definitions for: Trans'-A•las'ka Pipe'line Pronunciation: (trans'u-las'ku, tranz'-, trans"-, tranz"-), [key] a pipeline system opened in 1977 that transports oil 800 mi. (1300 km) across Alaska, from Prudhoe Bay on the North Slope S to Valdez harbor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Trans Alai transalpine Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language