T3

UK/ˌtiːˈθɹiː/US/ˌtiˈθɹi/

noun

A tax reporting form used by estates and trusts.

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Meanings

nounT3 (plural T3s)

plural T3s

  1. abbreviationbiochemistryAbbreviation of triiodothyronine.
  2. CanadaA tax reporting form used by estates and trusts.
  3. AustraliaA transit lane restricted to vehicles with a minimum of three occupants.
proper noun
  1. computingA proprietary network protocol.
  2. computingA network backbone connection equivalent to 28 T1 lines, typically fiber optic.

Rhymes & wordplay

Rhymes with T3

thebewefreeheseeemerebtdshedepgthreevcdkeyzcommitteeiddegree
All rhymes →
Cite this entry
APA

T3. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/T3

MLA

“T3.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/T3. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “T3,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/T3.

Source: T3 on Wiktionary, CC BY-SA 4.0.