Browse Dictionary by Letter

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space bar a horizontal bar on a keyboard, as of a typewriter, that produces a blank space rather than a character.
spacecraft a vehicle designed to travel in outer space, beyond the earth's atmosphere.
spaced-out (slang) disoriented from or as if from using a drug; spacey. [2 definitions]
spaceflight the action or an instance of a flight beyond the earth's atmosphere.
space heater a small heating device designed to warm the air of a small confined area.
spaceless having no limits; unbounded. [2 definitions]
spaceman a man who travels in outer space, beyond the earth's atmosphere; astronaut. [2 definitions]
space out to become disoriented, forgetful, or dreamy.
spaceport a site for the maintenance, testing, launching, and landing of spacecraft.
spaceship a vehicle designed to carry people and cargo in outer space, as to the moon or the other planets.
space shuttle a space vehicle designed to transport astronauts and their equipment between the earth and an orbiting space station, or to carry out orbital missions.
space station a large artificial satellite in long-term orbit, designed to be used as a military outpost, scientific research laboratory, or site for the assembly and launching of other spacecraft.
spacesuit a pressurized protective suit enabling the wearer to survive in outer space.
space-time the four-dimensional continuum consisting of three dimensions of space and one of time, within which any object or event can be located.
spacewalk the action or an instance of an astronaut's moving about outside a spacecraft in outer space. [2 definitions]
spacewoman a woman who travels in space, outside the earth's atmosphere; astronaut. [2 definitions]
spacey disoriented because of using a drug; spaced out. [2 definitions]
spacial variant of spatial.
spacing arrangement of objects and spaces within a given area.
spacious having ample space. [3 definitions]
Spackle trademark for a powder that forms a paste when mixed with water, used to smooth out wall cracks, holes, and the like before papering, painting, or other finishing work. [2 definitions]