Historical Dictionary of Science Fiction

Order by: alphabetical | chronological



Word Definition
terrestial adj. (1938) of or from the planet Earth or an earthling
Terrestrial n. (1925) a native or inhabitant of earth; an Earthling
Terrestrian n. (1930) a native or inhabitant of earth; = Terrestrial n.
terrestrian adj. (1930) of Earth
tesser v. (1962) in Madeleine L’Engle’s A Wrinkle in Time: to travel through space by means of a tesseract n.
tesseract n. (1962) in Madeleine L’Engle’s A Wrinkle in Time: a means of travelling through space by manipulating the dimensions of spacetime
thought-controlled n. (1934) of devices, computers, etc.: controlled by a person’s thoughts or neural impulses
thought-reading machine n. (1931) a machine that can read a person’s thoughts
thought-variant n. (1933) a story characterized by a focus on significant ideas rather than action
three-D n. (1955) a device or system capable of transmitting or displaying a three dimensional image; (also) a three-dimensional image; cf. tri-D n.
threedy n. (1984) three-dimensional television or film
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. (1934) 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 cop n. (1953) a member of the 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. timeslip n., time storm n.
time hopper n. 1 (1955) = time machine n.
time hopper n. 2 (1967) = time traveller n.
timeline n. (1941) 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 machine capable of transporting a person backwards or forwards in time n.
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.