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HYPHEN
WORDNET DICTIONARY
THESAURUS

RELATED WORDS : absolute space air force space command air space anchor space blank space breathing space crawl space crookes space dead-air space deep space disc space disk space enclosed space euclidean space hair space hilbert space hubble space telescope intergalactic space interplanetary space interstellar space living space mathematical space metric space national aeronautics and space administration null space outer outer boundary outer ear outer garment outer hebrides outer mongolia outer planet parking space pericardial space phase space pleural space space space age space bar space biology space cadet space capsule space flight space heater space helmet space key space laboratory space lattice space medicine space platform space probe space program space rocket space shuttle space sickness space station space suit space time space travel space vehicle space walk space writer storage space subarachnoid space swap space topological space visual space

WORDNET DICTIONARY

Noun outer space has 1 sense

• outer space(n = noun.location) space - 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"
is a kind of location, infinite, space
has parts: interplanetary space, interstellar space, intergalactic space, deep space
is a part of aerospace

THESAURUS

outer space

China, Darkest Africa, God knows where, Greenland, North Pole, Outer Mongolia, Pago Pago, Pillars of Hercules, Siberia, South Pole, Thule, Tierra del Fuego, Timbuktu, Ultima Thule, Yukon, acreage, antipodes, area, astronomical unit, bottomless pit, bowels, breadth, celestial spaces, chaos, continuum, cosmic space, deep space, deeps, depths, dimension, emptiness, empty space, ether space, expanse, expansion, extension, extent, field, frontier, galactic space, gaping depths, godforsaken place, hell, infernal pit, infinite space, interstellar space, jumping-off place, light-year, measure, metagalactic space, nether world, nothingness, nowhere, ocean of emptiness, outback, outpost, outskirts, parsec, pole, pressureless space, proportion, space, spatial extension, sphere, spread, superficial extension, surface, the Great Divide, the South Seas, the boondocks, the moon, the sticks, the tullies, the void, the void above, tract, underworld, unfathomed deeps, unknown depths, void, volume

For further exploring for "outer space" in Webster Dictionary Online