'TL' definitions:
Definition of 'Tl'
From: WordNet
noun
A soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores [syn: thallium, Tl, atomic number 81]
Acronyms for 'TL'
From: V.E.R.A.
- Telecommunication Leadership [standard] (QuEST)
- Transform and Lighting (3D), "T&L" TL;DR Too Long; Didn't Read (slang, Usenet, IRC)