Word.ws English Dictionary

TIR

UK/ˈtɪə/US/ˈtɪɚ/

TIR proper noun: the Convention on International Transport of Goods Under Cover of TIR Carnets. Also the initialism of total internal reflection.

Proper noun (1)

TIR

  1. (international law) The Convention on International Transport of Goods Under Cover of TIR Carnets.

Proper noun (2) capitalized: Tir

Tir

  1. The fourth solar month of the Persian calendar.

Proper noun (3) capitalized: Tir

Tir

  1. (Armenian) A scribe/writer god, in Hellenistic times identified with the Greek Apollo.

Also used as

TIR is also the initialism of total internal reflection.

TIR is also the initialism of total indicator reading.

Forms of TIR

pluralTIRs

Origin of TIR

From Persian تیر (tir).

Transliteration of Old Armenian Տիր (Tir), which is related to the Persian month name.

Questions about TIR

What does TIR mean?
TIR means the Convention on International Transport of Goods Under Cover of TIR Carnets.
What part of speech is TIR?
TIR is a proper noun.
How do you pronounce TIR?
TIR is pronounced /ˈtɪə/ (UK).

Words near TIR in the dictionary

  1. TIQIP
  2. TIQIPs
  3. tiqueur
  4. tiqueurs
  5. tiquinamide
  6. TIR
  7. Tir-Phil
  8. Tira
  9. tiracizine
  10. tirade
  11. tiraded

Source and license

Adapted from Wiktionary: TIR (page history and authors); Tir (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “TIR.” Word.ws, https://word.ws/tir. Based on Wiktionary, CC BY-SA 4.0.