a form of fiction that draws imaginatively on scientific knowledge and speculation in its plot, setting, theme, etc.
Origin of science fiction
1925-30
Examples from the web for science fiction
Food of the future used to be the stuff of science fiction.
If the present state of imaginary music seems bleak, science fiction suggests a brighter future.
It is equally conceivable that human space flight, long the stuff of science fiction, will return to fantasy.
Once the fantasy of science fiction, battlefield robots are now a reality.
Fantasy films and science fiction also have dominated my adult life.
Stories have the power to take us to other worlds, and no genre more so than science fiction and fantasy.
In contemporary literature, high fantasy and science fiction repeat many of the same folklore themes.
The show borrows heavily from other science fiction sources.
In the annals of science fiction, humans and non-avian dinosaurs have been brought together in a variety of ways.
Still, space travel has lost much of its luster, and that loss has even rippled through science fiction writing.
British Dictionary definitions for science fiction
science fiction
noun
1.
a literary genre that makes imaginative use of scientific knowledge or conjecture
(as modifier): a science fiction writer
Word Origin and History for science fiction
n.
1929 (first attested in advertisements for "Air Wonder Stories" magazine), though there is an isolated use from 1851; abbreviated form sci-fi is from 1955. Earlier in same sense was scientifiction (1916).
science fiction in Culture
science fiction definition
Works of fiction that use scientific discoveries or advanced technology — either actual or imaginary — as part of their plot. Jules Verne and H. G. Wells were early writers of science fiction. More recent ones are Isaac Asimov and Ray Bradbury.