An assumption, not necessarily true, made by a court in order to apply a legal rule.

(uncountable) A genre of fan fiction focusing on romantic and/or sexual relationships between characters of the same sex (typically men). / (countable) A work in the genre of slash fiction

Of or pertaining to science fiction

(uncountable) Fiction about fans and fandom created by members of fandom, incorporating real or fictional members of fandom as characters. / (countable) A work of faan fiction.

A fictional account; a story. / A fictitious account; an account of events that never took place.

A work of fiction employing a variety of forms to explore its subject exhaustively.

The kind of shocking and sensational fiction found in a pulp magazine.

Fiction in which advanced technology or science is a key element. / (by extension) Technology that, while theoretically possible, is not yet practical.

the type of popular fiction sold at airports for reading in-flight or on holiday

(uncountable) A class of fiction involving fantastic, supernatural or futuristic elements, including fantasy, horror, and science fiction, dealing with worlds, themes, and characters not part of everyday life.