空想(くうそう)科学(かがく)

くうそうかがく
noun
science fiction; speculative science
artscience
1. science fiction; speculative science
A genre of fiction or thought that imagines scientific and technological developments beyond current reality, or the speculative science depicted in such works.
空想(くうそう)科学(かがく)小説(しょうせつ)が好(す)きだ。
I like science fiction novels.
かつての空想(くうそう)科学(かがく)が現実(げんじつ)になった例(れい)は多(おお)い。
There are many examples of what was once science fiction becoming reality.
空想(くうそう)科学(かがく)の世界(せかい)では人類(じんるい)が宇宙(うちゅう)を自由(じゆう)に旅(たび)する。
In the world of science fiction, humanity travels freely through space.

A compound of 空想(くうそう) (fantasy; imagination) and 科学(かがく) (science). Used as a more traditional Japanese term for the science fiction genre. The popular book series 空想(くうそう)科学(かがく)読本(どくほん) (by Yanagita Rikao) humorously analyzes the scientific plausibility of anime and manga, making this term widely recognized.

Common collocations

  • 空想(くうそう)科学(かがく)小説(しょうせつ): science fiction novel
  • 空想(くうそう)科学(かがく)映画(えいが): science fiction film
  • 空想(くうそう)科学(かがく)読本(どくほん): science fiction reader (famous book series)

Similar words

  • SF（エスエフ）: science fiction — the most common abbreviation used in Japanese
  • サイエンスフィクション: science fiction — the full loanword, less commonly used
  • 空想(くうそう): fantasy; daydream — the broader concept of imagining things that don't exist
general
Added 2026.4.29 22:42 · Revised 2026.9.2 13:02
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