1. the atmosphere and the space beyond considered as a whole.
  2. the industry concerned with the design and manufacture of aircraft, rockets, missiles, spacecraft, etc., that operate in aerospace.
  1. of or relating to aerospace or the aerospace industry.

Origin of aerospace

First recorded in 1955–60; aero- + space Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for aerospace


  1. the atmosphere and space beyond
  2. (modifier) of or relating to rockets, missiles, space vehicles, etc, that fly or operate in aerospacethe aerospace industry
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

Word Origin and History for aerospace

1958, American English, from aero- "atmosphere" + (outer) space (n.).

Online Etymology Dictionary, © 2010 Douglas Harper

aerospace in Science


  1. Relating to the Earth's atmosphere and the space beyond.
  2. Relating to the science and technology of flight and space travel.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.