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Tl

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Symbol, Chemistry.
  1. thallium.

TL

  1. target language.
  2. trade-last.
  3. truckload.

TL.

  1. (in Turkey) lira; liras.

T.L.

  1. Also t.l. trade-last.
  2. trade list.

T/L

  1. time loan.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for tl

Tl

the chemical symbol for
  1. thallium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

tl in Medicine

Tl

  1. The symbol for the elementthallium

tl in Science

Tl

  1. The symbol for thallium.

thallium

[thălē-əm]
Tl
  1. A soft, malleable, very poisonous metallic element that is used in photography, in making low-melting and highly refractive glass, and in treating skin infections. Atomic number 81; atomic weight 204.38; melting point 303.5°C; boiling point 1,457°C; specific gravity 11.85; valence 1, 3. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.