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thumb|right|The Emesa temple to the sun god Elagabalus (deity)|Elagabalus with baetyl at centre. Roman coin of 3rd century AD.
thumb|right|The Emesa temple to the sun god Elagabalus (deity)|Elagabalus with baetyl at centre. Roman coin of 3rd century AD.
A baetyl (; also betyl), literally "house of god", is a sacred stone (sometimes believed to be a meteorite) that was venerated and thought to house a god or deity. The most famous example is the Omphalos stored in the Temple of Apollo at the Greek town of Delphi.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).