TAN
See also: Appendix:Variations of "tan"
Translingual
    
    Symbol
    
TAN
- (international standards, aviation) IATA airport code for Taunton Municipal Airport, which serves Taunton, Massachusetts, United States.
English
    
    Noun
    
TAN
- (engineering) Initialism of total acid number, the measure of a lubricant's or crude oil's acidity. See Total acid number on Wikipedia.
- (banking) Initialism of transaction authentication number, in electronic banking. See Transaction authentication number on Wikipedia.
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