Historical Dictionary of Science Fiction

Order by: alphabetical | chronological

Word Definition
three vee n. (1954) a device capable of transmitting or displaying a (moving) three dimensional image
thruster n. (1949) an engine that creates thrust, esp. a small rocket engine used to adjust the attitude or course of a spacecraft in flight
thud and blunder n. (1940) (a disparaging term for) an adventure story that features violent exploits
tie-in n. (1949) a book, film, or the like published to take advantage of the appearance of the same work in another medium
tight-beam n. (1930) a highly focused energy beam, esp. one that conveys communications; a device that sends such a beam; a message sent by such a device
tight-beam v. (1959) to send (esp. a message) by means of a tight-beam n.; to send to (someone) by means of a tight-beam n.; also intrans.
tight-beamed adj. (1951) of a message: sent by means of a tight-beam n.
time n. (1866) time viewed as a medium through which travel into the past or future is hypothesized or imagined to be possible
time barrier n. (1933) something (either inherent or created) that prevents travel through time
time binding n. (1921) in General Semantics: the characteristically human ability to transmit knowledge to succeeding generations by means of (written) language; (hence, in Fandom) the act of documenting fannish activities
time cop n. (1953) a member of the time police n.
time crime n. (1955) a violation of time travel laws, esp. an illegal attempt to change the past; such violations collectively; cf. time police n.
time fault n. (1934) a disturbance in time; a place where time travel is possible, or where time progresses in unpredictable ways; cf. time-slip n., time storm n.
time hopper n. 1 (1955) = time machine n.
time hopper n. 2 (1967) = time traveller n.
timeline n. (1935) one of a set of possible future or past events
time lord n. (1969) in the British television series Doctor Who: one of a race of humanoid aliens from the planet Gallifrey who are able to control time-travel technology
time machine n. (1894) a device capable of transporting a person backwards or forwards in time n.
time opera n. (1953) a subgenre of science fiction featuring adventure-driven, extravagantly dramatic plots based on time travel; a work in this genre
time paradox n. (1942) a paradox caused by an action of a time traveller which alters history so that the action is no longer logically possible, such as travelling into the past to murder a dictator which leads to a peaceful world from which the time traveller would have had no reason to depart; cf. grandfather paradox n., temporal paradox n.
time-path n. (1934) = timestream n.
time patrol n. (1955) = time police n.
time police n. (1950) officers who regulate time travel or other time-related phenomena; (specif.) officers who travel through time to attempt to prevent the past from being changed; a (government) body responsible for time-related phenomena
timequake n. (1954) a sudden significant disturbance in the continuity of time; cf. time storm n., time-slip n.
time radio n. (1934) a device that allows messages (but not physical objects) to be sent across time