| SPACEBAND | • spaceband n. In a linotype machine, a kind of extensible wedge used to produce spaces of variable width in the text. • SPACEBAND n. a wedge for justifying the line in mediaeval typesetting. | 
| SPACELABS | • SPACELAB n. a laboratory in space where scientific experiments are performed. | 
| SPACELESS | • spaceless adj. Boundless or unlimited. • spaceless adj. Infinite. • spaceless adj. Without space characters. | 
| SPACEPORT | • spaceport n. A site for launching spacecraft. • SPACEPORT n. a place from which spacecraft are launched. | 
| SPACESHIP | • spaceship n. (Astronautics) A vehicle that flies through space. • spaceship n. (Computing, mathematics, cellular automata) A finite pattern that reappears after a certain number of… • spaceship n. (Programming) The operator <=> in certain programming languages, which compares two values and… | 
| SPACESUIT | • spacesuit n. Alternative spelling of space suit. • space␣suit n. A system of protective and pressurized clothing, together with environmental equipment, worn by astronauts… • space␣suit n. A pressurized protective outfit worn by people working with extreme biohazards. | 
| SPACETIME | • spacetime n. (Uncountable, physics) The four-dimensional continuum of the three spatial dimensions plus time. • spacetime n. (Physics) An n-dimensional continuum consisting of dimensions of both space and time. Normally spacetime… • spacetime n. (Relativity) A specific region of the universe with mathematically different properties than the surrounding… | 
| SPACEWALK | • spacewalk n. Any activity by an astronaut outside of a spacecraft or space station in space; extravehicular activity. • spacewalk v. To perform a spacewalk. • space␣walk n. Any activity performed by an astronaut outside of a space vehicle in space. | 
| SPACEWARD | • spaceward adv. Towards outer space. • SPACEWARD adv. towards space. | 
| SPACIALLY | • spacially adv. Archaic form of spatially. • SPACIAL adv. pertaining to space, also SPATIAL. | 
| SPACINESS | • spaciness n. The state or quality of being spacy. • SPACINESS n. the state of being spacy. | 
| SPACKLING | • spackling v. Present participle of spackle. • spackling n. Something used to spackle; a material that fills cracks or holes. • SPACKLE v. to fill cracks or holes. |