Order by: alphabetical | chronological ( asc | desc )
| First date | Word | Definition |
|---|---|---|
| 1896 | antigravity adj. (1896) | of or relating to something that negates or cancels the effect of gravity |
| 1896 | dimension n. (1896) | a realm of existence coexistent with our own, but which cannot be perceived or accessed by ordinary means and which often possesses different physical laws; cf. alternate world n., parallel universe n., plane n. |
| 1896 | home planet n. (1896) | = homeworld n. |
| 1897 | earthwoman n. (1897) | a female native or inhabitant of Earth |
| 1897 | heat ray n. (1897) | = ray n. |
| 1897 | Mercurian adj. (1897) | of, pertaining to, or characteristic of the planet Mercury or its inhabitants |
| 1897 | ray n. (1897) | a beam of (destructive) energy, emitted by a ray gun or similar device |
| 1897 | science fiction n. 1 (1897) | a work of science fiction n. 2 |
| 1898 | disintegrator n. (1898) | a weapon that disintegrates its target |
| 1898 | Earthward adv. (1898) | toward the planet Earth |
| 1898 | energy n. (1898) | energy portrayed as something which can be produced in a particular form, such as a projectile, beam, or wave, and transferred (typically with destructive effect) to a body upon contact |
| 1898 | fleet n. (1898) | = space fleet n. |
| 1898 | horror n. (1898) | a genre intended to create a feeling of fear in the reader or viewer, especially one employing supernatural elements or monstrous creatures |
| 1898 | science fiction n. 2 (1898) | a genre (of fiction, film, etc.) in which the plot or setting features speculative scientific or technological advances or differences |
| 1898 | ship n. 1 (1898) | a spaceship |
| 1898 | suit n. (1898) | = space suit n. |
| 1898 | warship n. (1898) | a military spaceship designed for combat |
| 1900 | aerocar n. (1900) | a small, personal flying vehicle |
| 1900 | anti-gravitational adj. (1900) | acting against gravity |
| 1900 | battleship n. (1900) | a military spaceship having heavy armor and powerful weapons |
| 1900 | boat n. (1900) | = spaceship n. |
| 1900 | cruiser n. (1900) | a spaceship |
| 1900 | earthborn adj. (1900) | originating on the planet Earth, as opposed to outer space or another celestial body |
| 1900 | homeworld n. (1900) | the planet on which an individual being was born; the planet on which a species originated |
| 1900 | Martian n. 2 (1900) | the language of Martians |
| 1900 | midspace n. (1900) | outer space, viewed as an area in its own right |
| 1900 | vessel n. (1900) | a spaceship |
| 1901 | ant-man n. (1901) | an alien being that resembles an ant in humanoid form |
| 1901 | Centaurian adj. (1901) | of or relating to the constellation Centaurus or one of its star systems, esp. Alpha Centauri, or its inhabitants; cf. Alpha Centaurian adj. |
| 1901 | fannish adj. (1901) | of or relating to a dedicated or obsessive fan |
| 1901 | space explorer n. (1901) | one who explores space |