Definitions of science fiction

exact definition
There have been many attempts at defining science fiction.wikipedia
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Science fiction

sci-fiscience-fictionSci Fi
There have been many attempts at defining science fiction.
However its exact definition has long been disputed among authors, critics, and scholars.

Science fiction fandom

fanscience fiction fanscience fiction fans
This is a list of definitions that have been offered by authors, editors, critics and fans over the years since science fiction became a genre.

Science fantasy

science-fantasyfantasymythic science fiction
Definitions of related terms such as "science fantasy", "speculative fiction", and "fabulation" are included where they are intended as definitions of aspects of science fiction or because they illuminate related definitions—see e.g. Robert Scholes's definitions of "fabulation" and "structural fabulation" below.

The Encyclopedia of Science Fiction

Science Fiction EncyclopediaEncyclopedia of Science FictionSF Encyclopedia
The Encyclopedia of Science Fiction, edited by John Clute and Peter Nicholls, contains an extensive discussion of the problem of definition, under the heading "Definitions of SF".

John Clute

Clute, JohnJudith CluteClute
The Encyclopedia of Science Fiction, edited by John Clute and Peter Nicholls, contains an extensive discussion of the problem of definition, under the heading "Definitions of SF".

Peter Nicholls (writer)

Peter NichollsNicholls, PeterPeter Nicholls.
The Encyclopedia of Science Fiction, edited by John Clute and Peter Nicholls, contains an extensive discussion of the problem of definition, under the heading "Definitions of SF".

Darko Suvin

cognitive estrangement
The authors regard Darko Suvin's definition as having been most useful in catalysing academic debate, though they consider disagreements to be inevitable as science fiction is not homogeneous.

Brian Stableford

Brian M. StablefordBrian CraigStableford, Brian
The authors of the Encyclopedia article—Brian Stableford, Clute, and Nicholls—explain that, by "cognition", Suvin refers to the seeking of rational understanding, while his concept of estrangement is similar to the idea of alienation developed by Bertolt Brecht, that is, a means of making the subject matter recognizable while also seeming unfamiliar.

Distancing effect

Verfremdungseffektalienation effectalienation
The authors of the Encyclopedia article—Brian Stableford, Clute, and Nicholls—explain that, by "cognition", Suvin refers to the seeking of rational understanding, while his concept of estrangement is similar to the idea of alienation developed by Bertolt Brecht, that is, a means of making the subject matter recognizable while also seeming unfamiliar.

Bertolt Brecht

BrechtBertold BrechtBrechtian
The authors of the Encyclopedia article—Brian Stableford, Clute, and Nicholls—explain that, by "cognition", Suvin refers to the seeking of rational understanding, while his concept of estrangement is similar to the idea of alienation developed by Bertolt Brecht, that is, a means of making the subject matter recognizable while also seeming unfamiliar.

Sam Moskowitz

Moskowitz, SamThe Immortal StormMoskowitz
According to anthologist, populist and historian of the genre Sam Moskowitz (1920–1997), Gernback's final words on the matter were: "Science fiction is a form of popular entertainment which contains elements of known, extrapolation of known or logical theoretical science".

Edmund Crispin

Bruce MontgomeryRobert Bruce MontgomeryBruce Montgomery (composer)

Rod Serling

Does the Name Grimsby Do Anything to You?Rod Serling’sRodman "Rod" Serling