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astronaut

as·tro·naut

astronaut

 
pronunciation:
ae str nawt
features:
Word Explorer, Word Parts
part of speech: noun
definition: a person whose job is to travel and work in space.
 
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Word Parts  About this feature
The word astronaut contains the following parts:
astr, aster, astro Greek root that means star
synonyms:
stell
 
naut Greek root that means ship; sailor
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synonyms:
nav