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astrodynamics
astrogeology
astrogeophysics
astrol.
astrolabe
astrology
astrometry
astron.
astronaut
astronautics
astronavigation
astronomical
astronomical clock
astronomical telescope
astronomical twilight
astronomical unit
astronomical year
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astronaut

as·tro·naut [ ástrə nàwt ] (plural as·tro·nauts)


noun 
Definition:
 
1. space traveler: somebody trained to travel and perform tasks in space

2. immigrant commuting to Asia: an East or Southeast Asian immigrant whose family is settled in Canada, the United States, Australia, or New Zealand but who frequently travels to Asia to work ( informal )

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