from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A subgenre of speculative fiction or science fiction that emphasizes space travel, romantic adventure, and larger-than-life characters often set against vast exotic settings. Used initially as a derogatory term.
- n. A subgenre of speculative fiction or science fiction that utilises serialisation.
- n. A work or production in this style.
Compound of space + opera. The term was originally derived from the term horse opera and thus indirectly from soap opera, and was coined to describe a specific hackneyed science fiction writing style. (Wiktionary)