Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation Hawaii-Aleutian Standard Time
  • abbreviation hypersonic transport

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism Hawaiian Standard Time.
  • initialism Canada Harmonized Sales Tax, a combined federal and provincial sales tax collected in some provinces.
  • initialism Hubble Space Telescope

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