ADT

A1D2T1

A form of Atlantic Daylight Time — The time of day in the time zone that encompasses most of Labrador and the Maritimes in Canada from the second Sunday of March to the first Sunday of November; it is three hours behind Coordinated Universal Time (UTC-3) and a hour ahead of Atlantic Standard Time

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Meanings

proper noun
  1. abbreviationinitialismInitialism of Atlantic Daylight Time.
nounADT (countable and uncountable, plural ADTs)

plural ADTs

  1. abbreviationcountableuncountableAbbreviation of Adult.
  2. abbreviationcountableinitialismuncountableastronomyInitialism of astronomy diagnostic test.
  3. abbreviationcountableinitialismuncountableaudio recordingInitialism of Automatic Double Tracking.
  4. abbreviationcountableinitialismuncountablecomputingInitialism of acknowledged data transfer.
  5. abbreviationcountableinitialismuncountablecomputingInitialism of advanced DRAM technology.
  6. abbreviationcountableinitialismuncountablegovernmentInitialism of admissions, discharge, transfer.
  7. abbreviationcountableinitialismuncountablehikingInitialism of American Discovery Trail.
  8. abbreviationcountableinitialismuncountablegovernmentInitialism of accumulated deployed time.
  9. abbreviationcountableinitialismuncountablegovernmentInitialism of active duty for training.
  10. abbreviationcountableinitialismuncountablegovernmentInitialism of ative duty tour.
  11. abbreviationcountableinitialismuncountableengineeringInitialism of Active Denial Technology.
  12. abbreviationcountableinitialismuncountablecomputingInitialism of abstract data type.
  13. abbreviationcountableinitialismuncountablecomputingInitialism of algebraic data type.
  14. abbreviationcountableinitialismuncountableresearchInitialism of accelerated degradation testing.
  15. abbreviationcountableinitialismuncountableinformationInitialism of Average Daily Traffic.
  16. abbreviationcountableinitialismuncountablemedicineInitialism of androgen deprivation therapy.

Synonyms & antonyms

Also see
abstract data typealgebraic data typeatlantic daylight time

Rhymes & wordplay

Anagrams

dattad
Cite this entry
APA

ADT. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ADT

MLA

“ADT.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ADT. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “ADT,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ADT.

Source: ADT on Wiktionary, CC BY-SA 4.0.