Breadcrumb Home > Dictionary > Index S Space Age: Meaning and Definition of Find definitions for: Space' Age" Pronunciation: [key] the period in modern history characterized by space exploration, usually considered as beginning October 4, 1957, when the Soviet Union launched the first artificial satellite, Sputnik I, into orbit around the earth. space-age Pronunciation: (spās'āj"), [key] — adj. pertaining to or characteristic of the Space Age. using the latest or most advanced technology or design. modern; up-to-date; forward-looking. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. space spaceband TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: limpid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language