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space-age

[speys-eyj]
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adjective
  1. pertaining to or characteristic of the Space Age.
  2. using the latest or most advanced technology or design.
  3. modern; up-to-date; forward-looking.
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Origin of space-age

First recorded in 1955–60

Space Age

or space age

noun
  1. 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.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for space-age

space age

noun
  1. the period in which the exploration of space has become possible
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adjective space-age
  1. (usually prenominal) futuristic or ultramodern, esp when suggestive of space technology
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012