Historical Dictionary of Science Fiction

Order by: alphabetical | chronological

Word Definition
worm n. (1975) a program designed to sabotage a computer or computer network; spec. a self-duplicating program which can operate without becoming incorporated into another program
wormhole n. (1957) an interconnection between widely separated regions of space-time, allowing faster-than-light travel between them
xeno- prefix (1962) (used to form words indicating that the base element is or relates to an alien)
xenoanthropologist n. (1981) a person who studies alien cultures; a specialist in xenoanthropology n.
xenoanthropology n. (1951) the study of alien cultures
xenobiological adj. (1958) of or relating to xenobiology n.
xenobiologist n. (1954) a specialist in xenobiology n.
xenobiology n. (1954) the study of the biology of extraterrestrial life forms
xenocidal adj. (1979) of, pertaining to, or involving xenocide n.
xenocide n. (1973) the killing or attempted killing of an entire alien species; the killing of an individual alien; (also) a person who commits this act
xenolinguist n. (1955) a specialist in alien languages
xenolinguistics n. (1955) the study of alien languages
xenological adj. (1950) of, or relating to, xenology
xenologist n. (1949) a person who studies aliens; a specialist in xenology n.
xenology n. (1949) the scientific study of aliens, esp. xenobiology n.
xenopsychologist n. (1980) a specialist in xenopsychology n.
xenopsychology n. (1972) the psychology of alien races
X-Phile n. (1994) a fan of the TV show The X-Files
zap gun n. (1934) = ray gun n.
zero-g n. (1940) = zero-gravity n.
zero-gravity n. (1938) 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 the force
zine n. (1941) = fanzine n.