# science fiction

> English word · Noun · IPA /ˈsaɪəns ˌfɪkʃən/

## Definitions
1. Fiction in which advanced technology or science is a key element.
2. Technology that, while theoretically possible, is not yet practical.

## Etymology
From science + fiction. First use appears c. 1851. See cite below.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/science-fiction