TAN
See also: Appendix:Variations of "tan"
Translingual
Proper noun
TAN
- (Should we delete(+) this sense?) IATA airport code for Taunton Municipal Airport in Taunton, Massachusetts.
English
Noun
TAN
- (engineering) Initialism of total acid number, the measure of a lubricant's or crude oil's acidity.
- (banking) Initialism of transaction authentication number, in electronic banking.