PCC may refer to:
==Science and technology== Pearson correlation coefficient (r), in statistics Periodic counter-current chromatography, a type of affinity chromatography Portable C Compiler, an early compiler for the C programming language Precipitated calcium carbonate, a chemical compound Proof-carrying code, a software mechanism that allows a host system to verify properties Pyridinium chlorochromate, a yellow-orange salt Pyrolytic chromium carbide coating, by vacuum deposition Point of common coupling, in electrical engineering
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).