HCH may refer to: Hampton Court House, an independent school in Surrey, UK Hexachlorocyclohexane, a group of chemical compounds Holmes Chapel railway station (National Rail station code), in Cheshire, England Huế Central Hospital, in Vietnam Huichol language, an indigenous language of Mexico Hypochondroplasia, a developmental disorder Herbert Clark Hoover, President of the United States
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).