science fiction
Pronunciation:
/ˈsaɪəns ˌfɪkʃən/noun
Definitions
Fiction in which advanced technology or science is a key element.
Example: Some people consider motion pictures such as the Star Wars movies more as fantasies than science fiction.
Technology that, while theoretically possible, is not yet practical.
Example: Despite decades of research, mass-market personal aircraft are still science fiction.