Nearby Words
Synonyms

Astronaut

[as-truh-nawt, -not] Example Sentences Origin

as·tro·naut

[as-truh-nawt, -not]
noun
a person engaged in or trained for spaceflight.

Origin:
1925–30; astro- + (aero)naut, probably via French astronaute; see astronautical

astronaut, cosmonaut.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Astronaut is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Example Sentences
  • Morgan is now an astronaut by profession, heading into space this week for the first time on the space shuttle.
  • Blast off with an astronaut on his journey into space.
  • Before recombination, a hypothetical astronaut on a spacewalk might have been unable to see the mother ship.
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Collins
World English Dictionary
astronaut (ˈæstrəˌnɔːt)
 
n
See also cosmonaut a person trained for travelling in space
 
[C20: from astro- + -naut from Greek nautēs sailor, on the model of aeronaut]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

astronaut
coined 1929 (but popularized 1961) from astro- + nautes "sailor" (see naval). Fr. astronautique (adj.) had been coined 1927 by "J.H. Rosny," pen name of Belgian-born science fiction writer Joseph Henri Honoré Boex (18561940).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary

astronaut definition


A crew member of a space mission launched by the United States. (See Apollo program and Mercury program.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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