fiction:[U]booksandstoriesaboutimaginarypeopleandevents.
novel:[C]alongwrittenstoryinwhichthecharactersandeventsareusuallyimaginary.
novel是长篇小说,fiction是小说总称2.fiction是指所有虚构类的作品,而novel一般是指长篇小说,所以fiction可以包括novel,novella(中篇小说),shortstory(短篇小说)等等.fiction范围广的多,而且作为文学用语也general的多