BCH or BCh may refer to:
==Science and technology== BCH code (Bose–Chaudhuri–Hocquenghem code), a code in coding theory Bachelor of Surgery, a component of some undergraduate medical degrees Baker–Campbell–Hausdorff formula, in mathematics and Lie group theory Biosafety Clearing-House, an international mechanism that exchanges information about the movement of genetically modified organisms Birdsell Clover Huller, an agricultural machine Bitcoin Cash, a peer-to-peer electronic cash system Bean chitinase, a defensive enzyme
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).