Definitions for outer space
Random House Webster's College Dictionary
out′er space′(n.)
space beyond the atmosphere of the earth.
Category: Astronomy
Category: Astronomy
Ref: deep space.
Origin of outer space:
1875–80
Princeton's WordNet
outer space, space(noun)
any location outside the Earth's atmosphere
"the astronauts walked in outer space without a tether"; "the first major milestone in space exploration was in 1957, when the USSR's Sputnik 1 orbited the Earth"
Kernerman English Learner's Dictionary
outer space(noun)ˈaʊ tər
anything beyond Earth's atmosphere
a new spacecraft traveling into outer space
Wiktionary
outer space(Noun)
Region outside explored space.
outer space(Noun)
Any region of space beyond limits determined with reference to boundaries of a celestial system or body, especially the region of space immediately beyond Earth's atmosphere
Origin: From outer + space.
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