a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements
10 Words Coined In The Sci-Fi UniverseDroids, aliens, and zero gravity. You might think they've existed forever, but sci-fi has added these words and many more to our lexicon.
Word Origin for speculative fiction
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012