The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
outer space
1 ENTRIES FOUND:
outer space
(noun)
outer space
noun
outer space
noun
Britannica Dictionary definition of OUTER SPACE
[
noncount
]
:
the region beyond the Earth's atmosphere in which there are stars and planets
a satellite in
outer space
Is there life in
outer space
?
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
emulate
:
to try to be like (someone or something you admire)
Learn More »