TL

TL

1. (metrology) Symbol for teraliter (teralitre), an SI unit of fluid measure equal to 10¹² liters (litres).

   Alternative forms: Tl, Tℓ

TL

1. (international standards) ISO 3166-1 alpha-2 country code for Timor-Leste since 2002.

   Synonyms: (alpha-3, 2002–present) TLS; (1975–2002) TP

TL (plural TLs)

2. (translation studies) Initialism of target language.

   Antonym: SL

3. (applied linguistics) Initialism of target language.

   Antonym: NL

4. Abbreviation of team leader.
5. (Internet) Abbreviation of timeline.

   Alternative form: tl

   • 2025 September 18, Desjah, “Wait, WHAT?! Chrisean Rock’s Foot Antics With HoodTrophy Bino Got The TL Stressed (VIDEO)”, in The Shade Room‎^[1], Los Angeles, Calif., archived from the original on 18 September 2025:

     TL Lost All Composure After That Clip […] And of course, there are plenty who said she just pisses them off so bad, but hey, you can’t deny she keeps the timeline entertained.

   • 2026 March 20, Brit Dawson, “‘I went on a cortisol ‘detox’ to tackle my spiralling anxiety — here’s what happened’”, in Cosmopolitan‎^[2], archived from the original on 6 October 2026:

     Although cortisol videos still crop up on my TL every so often, I’ve seen enough marked as ‘paid partnership’ to know that I shouldn’t be taking them seriously.

6. (slang, dated) Initialism of trade-last.
   • 1922, Thomas Lansing Masson, Our American Humorists, page 201:

     Nothing about my natural charms no more, an egg's age since anybody had called me to 1 side and whispered "I got a T. L. for you. Gertie thinks your ears is immense."

   • 1997, Joan Mellen, Hellman and Hammett, page 71:

     So autobiographical was The Children's Hour that there are even “TL's” between the children, those “trade lasts” in which people must come up with compliments they have heard about each other, a game which amused Lily […]

7. (informal) Abbreviation of translation.

   Alternative form: tl

8. (informal) Abbreviation of translator.

   Alternative form: tl

9. (informal) Abbreviation of translator's note / translation note.

   Alternative form: tl

10. (ecology) Initialism of trophic level.
11. Abbreviation of Turkish lira.

    Synonym: ₺

12. Abbreviation of turntable ladder.

• LT, lt, Lt., Lt

TL

1. abbreviation of Tulcea: a county of Romania

TL ?

1. abbreviation of Tlaxcala: a state of Mexico

TL

1. abbreviation of Türk lirası (“Turkish lira”)