What is the meaning of Science_fiction?

Fiction in which advanced technology or science is a key element.

Technology that, while theoretically possible, is not yet practical.

Of or pertaining to this genre.

science fiction (genre of fiction)

something inconceivable, something incredible, something unbelievable

science fiction (genre of fiction)

inconceivable, incredible, unbelievable

science fiction

Source: wiktionary.org