Historical Dictionary of Science Fiction

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Word Definition
non-genre adj. (1975) not science fiction, fantasy, or horror; = mainstream adj.
non-human n. (1927) a non-human creature or organism, such as an animal, an alien, or a supernatural being; = unhuman n.
non-human adj. (1930) = alien n.
nonhumanoid n. (1951) an alien with a non-human bodily form
nonhumanoid adj. (1947) not having a human or human-like bodily form
non-terrestrial n. (1946) an (intelligent) being that is not from Earth; = extraterrestrial n., alien n.
non-terrestrial adj. (1849) not found on or originating from Earth
normal space n. (1931) esp. in reference to space travel: the type of space that exhibits the physical laws as we know them, in contrast to hyperspace n.
nova n. (1942) to go nova (of a star) to become a nova; (more generally, of a star, planet, etc.) to explode (also used figuratively)
nova v. (1949) to cause to become a nova; to destroy (a star, planet, etc.); (intransitive): (of a star) to become a nova; (more generally, of a star, planet, etc.) to explode
nova bomb n. (1953) an extremely powerful nuclear bomb
novum n. (1972) a scientific (rather than supernatural or fantastic) element in a work that demonstrates that the work takes place in a world different from our own, thus establishing that the work should be regarded as science fiction
nowhen adv. (1982) (in time-travel contexts): in or at no time
null-g n. (1953) (as adjective) relating to, producing, or designed for a condition of zero gravity; (as noun) zero gravity: the state or condition in which there is no apparent force of gravity acting on a body, either because the force is locally weak, or because both the body and its surroundings are freely and equally accelerating under gravity; (also) a device or system that negates the force of gravity; cf. slightly earlier null-grav n.
null-grav n. (1950) = null-g n.
null-grav adj. (1955) = null-g n.
null-gravity n. (No cites) see null-g n.
ob- prefix (1993) denoting 'obligatory or expected reference to' a topic
off-planet n. (1959) an off-planet location
off-planet adj. (1945) originating on another planet; located away from a (particular) planet
off-planet adv. (1953) away from a particular planet; towards or on another planet; in or into space
off-trail adj. (1933) (of a story, esp. one that is not easily categorized) fantastic or science-fictional
offworld n. (1987) a place away from Earth, or a particular planet or world regarded as the native world; another world or planet
off-world adj. (1950) of or relating to another world; originating from or located in a place outside one’s native world or planet
offworld adv. (1943) away from Earth, or any place treated within a given fictional context as the native world; on or towards another world or planet
offworlder n. (1957) a person or being from another planet; an alien
omniverse n. (1948) all universes collectively; cf. multiverse n. 1
orbital tower n. (1975) a structure linking a planet, moon, etc., with a space station or satellite which is in stationary orbit around it; cf. skyhook n. 4
organlegger n. (1967) a person who illegally removes organs from people or corpses and sells them to use for transplantation
organlegging n. (1969) the illegal trading of human organs for transplant; cf. organlegger n.
Orwellian n. (1971) an admirer of the works and ideas of George Orwell
Orwellian adj. (1949) characteristic or suggestive of the writings of George Orwell, esp. of the totalitarian state depicted in his dystopian account of the future, Nineteen Eighty-four (1949)
other-dimensional adj. (1934) of or from another dimension
otherspace n. (1937) any of various types of space, as hyperspace or subspace, subject to different physical laws than our own; cf. realspace n.
outer space n. (1842) the region of space beyond Earth’s atmosphere or beyond the solar system; in extended use: a place or region beyond the usual limits of awareness or accessibility