HST

plural HSTs

1. UKabbreviationcountableinitialismuncountablerail transportInitialism of High Speed Train, a common name for the InterCity 125.
2. CanadaabbreviationcountableinitialismuncountableInitialism of harmonized sales tax, a combined federal and provincial sales tax collected in some provinces.
3. abbreviationcountableuncountablebusinessAbbreviation of half-square triangle.
4. abbreviationcountableinitialismuncountablenauticalInitialism of high speed transport.

1. abbreviationinitialismInitialism of Hawaiian Standard Time.
2. abbreviationinitialismUS space programInitialism of Hubble Space Telescope.
3. USabbreviationhistoricalinitialismgovernmentInitialism of Harry S. Truman.
4. abbreviationinitialismjournalismInitialism of Hunter S. Thompson.