Look up TIN in Wiktionary, the free dictionary.

TIN may refer to:

• Tax 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

• Tin, a metal
• Tin (disambiguation)

This disambiguation page lists articles associated with the title TIN.
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