TIN may refer to: Taxpayer Identification Number, used for tax purposes in the United States Tindouf Airport (IATA code), in Tindouf, Algeria Titanium nitride (TiN), a ceramic material Triangulated irregular network, a geometric data structure
== See also == Tin, a metal Tin (disambiguation)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).