Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
astral
astral body
astral plane
astral projection
astray
astride
astringent
astro-
astrobiology
astrobleme
astrochemistry
astrocompass
astrocyte
astrocytoma
astrodome
astrodynamics
astrogeology
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

astronautics
as·tro·nau·tics [ àstrə náwtiks ]


noun 
Definition:
 
1. science of spacecraft design: the science and technology of designing and building spacecraft ( takes a singular verb )

2. spacecraft operation: the skills and activities associated with the operation of a spacecraft ( takes a plural verb )

[Early 20th century. <astro-, after aeronautics]

as·tro·nau·tic adjective
as·tro·nau·ti·cal·ly adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft