Historical Dictionary of Science Fiction

Word Definition
carbon-based adj. (1939) based on the chemistry of carbon compounds: usually describing life, contrasted with that based on other chemical elements
carbonite n. (1980) a carbon-based material in which a person can be cryogenically preserved
catastrophe adj. (1948) = disaster adj.
Centaurian n. (1931) a native or inhabitant of the constellation Centaurus or of a star system within it, esp. Alpha Centauri; cf. Alpha Centaurian n.
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.
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
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
cloak v. (1984) to make invisible or undetectable, esp. by means of a cloaking device n.
cloaking device n. (1968) a device for rendering something invisible or undetectable
clone n. (1970) any member of a hypothetical population of artificially produced, identical people, aliens, etc. Also: a duplicate of a living person
COA n. (1961) notification of a change of address
cold fusion n. (1956) nuclear fusion taking place at temperature lower than ordinarily required, spec. at or near room temperature
cold sleep n. (1941) a form of suspended animation in which the subjects are kept at very cold temperatures
cold sleep v. (1956) to undergo suspended animation for a period of time; (transitive) (rare) to put a person into cold sleep n.
cold sleeper n. (1969) a person in cold sleep
collapsium n. (1958) any of a variety of extremely high-density substances
commlink n. (1974) a communication link; a communication device
communicator n. (1934) a device for communicating with a spaceship or astronaut
completism n. (1944) the desire to have or collect a complete set of something
completist n. (1944) one who wishes to have or collect complete sets of some particular items
con n. (1942) a convention of a group of (usually and originally science fiction) fans; cf. -con suffix
-con suffix (1940) (used to form the names of conventions, with the first element indicating the location or (typically in informal designations) the main subject or focus of the event) cf. con n.
con crud n. (2014) an illness (esp. a cold) suffered while or shortly after attending an SF convention
condom n. (1986) the milieu of (usually science fiction) conventions
congoer n. (1954) one who attends (usually science fiction) conventions
congoing n. (1959) attendance at (usually science fiction) conventions
conlang n. (1991) an artificially created language; esp. a language invented to represent the speech of an alien race