Historical Dictionary of Science Fiction

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Word Definition
Callistan n. 2 (1941) the language of Callistans
Callistan adj. (1933) of or relating to the Jovian moon Callisto or its inhabitants; cf. slightly earlier Callistonian adj.
Callistonian n. (1930) = Callistan n. 1
Callistonian adj. (1930) = Callistan adj.
Campbellian adj. (1949) of, relating to, or characteristic of the writing that appeared in the magazines edited by John W. Campbell, esp. in featuring heroic characters in technologically advanced scenarios
carbon-based adj. (1939) based on the chemistry of carbon compounds (usually describing life as we know it on Earth, in contrast with with theoretical forms of life based on other chemical elements, as silicon)
carbonite n. (1980) a carbon-based material in which a person can be cryogenically preserved
catastrophe adj. (1948) = disaster adj.
Centaurian n. 1 (1931) a native or inhabitant of the constellation Centaurus or of a star system within it, esp. Alpha Centauri; cf. Alpha Centaurian n.
Centaurian n. 2 (1943) the language of Centaurians
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.
Cerean n. (1883) a native or inhabitant of the dwarf planet Ceres
Cerean adj. (1883) of or relating to the dwarf planet Ceres or its inhabitants
changewar n. (1958) a conflict in which participants engage in time travel in order to alter history to effect a desired timeline
Chicon n. (1940) a SF convention held in Chicago, esp. the 1940 Chicago Science Fiction Convention
chrononaut n. (1960) = time traveller n.
chronoscope n. (1936) a device for viewing events in the past or future
chronoscopy n. (1956) viewing past or future events
cityship n. (1953) a large spacecraft having the size or complexity of a city
Clarke belt n. (1981) the ring-shaped region around the Earth containing all possible geostationary orbits
Clarke orbit n. (1969) geosynchronous orbit
Clarke’s Law n. (1962) any of three maxims formulated by Arthur C. Clarke (sometimes specified as Clarke’s First Law, Clarke’s Second Law, Clarke’s Third Law): (a) ‘When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong’ (b) ‘The only way of discovering the limits of the possible is to venture a little way past them into the impossible.’ (c) ‘Any sufficiently advanced technology is indistinguishable from magic’
class M planet n. (1964) an Earth-type planet
cli-fi n. (2009) a subgenre of science fiction concerned with the effects of climate change
cloak v. (1984) to make invisible or undetectable, esp. by means of a cloaking device n.
cloaking device n. (1968) a device or system for rendering something invisible or undetectable
clone n. (1966) any member of a hypothetical population of artificially produced, identical beings; (also) a duplicate of a living person