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Tl

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Symbol, Chemistry.

thallium.

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TL

target language.
trade-last.
truckload.

TL.

(in Turkey) lira; liras.

T.L.

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

T/L

time loan.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tl

British Dictionary definitions for tl

Tl

the chemical symbol for

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
Medicine definitions for tl

Tl

The symbol for the elementthallium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for tl

Tl

The symbol for thallium.

thallium

[thăl′ē-əm]

Tl

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.