- UST
UST is a
three letter acronym that can refer to:*
Equatorial Guinea Workers' Union
*Union of Trade Unions of Chad (Union des Syndicats du Tchad)
*St. Augustine Airport inSt. Augustine, Florida (IATA Airport Code UST)
*Underground storage tank
*Uniform spanning tree
*Universal Standard Time
* U.S. Treasury
*"United States Treaties and Other International Agreements ", published annually by the Department of State since 1950
* Universal System Tubeless - Tubeless tire system developed by Mavic for mountain bikes
*University of Santo Tomas inManila ,Philippines
* The University of Santo Tomas'UST Growling Tigers
*Hong Kong University of Science and Technology
* University of St. Thomas inHouston ,Texas
* University of St. Thomas in Saint Paul,Minnesota
*Korea University of Science and Technology , an R&D university located inDaejeon ,South Korea
*Unresolved sexual tension
*US Smokeless Tobacco
*UST Inc. 's ticker symbol
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