SPE may refer to:
==Science and technology== A monomer used to make polysulfobetaines, or occasionally the resulting polymer itself Serum protein electrophoresis Solar particle event, generating very high energy protons Solid phase extraction, from a mixture Solid-phase epitaxy, from amorphous to crystalline The Sound Pattern of English, a 1968 book by Noam Chomsky and Morris Halle SpE, abbreviation for Sporadic E propagation Spe (planet), 14 Andromedae b Stanford prison experiment, in psychology Synchronous payload envelope, in synchronous optical networking
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).