Meaning of “science fiction” in the English Dictionary

american-english dictionary

(Definition of “science fiction” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"science fiction" in American English

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science fictionnoun [ U ]

us /ˈsɑɪ·əns ˈfɪk·ʃən/ short form sci-fi, /ˈsɑɪˈfɑɪ/

a type of writing about imagined developments in science and their effect on life esp. in the future

(Definition of “science fiction” from the Cambridge Academic Content Dictionary © Cambridge University Press)