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Tc

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Symbol, Chemistry.
  1. technetium.

TC

  1. Teachers College.
  2. Trusteeship Council (of the United Nations).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for tc

tc

the internet domain name for
  1. Turks and Caicos Islands

Tc

the chemical symbol for
  1. technetium

TC

abbreviation for (on cars, etc)
  1. twin carburettors
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

tc in Medicine

Tc

  1. The symbol for the elementtechnetium

tc in Science

Tc

  1. The symbol for technetium.

technetium

[tĕk-nēshē-əm]
Tc
  1. A silvery-gray, radioactive metallic element. It was the first element to be artificially made, and it is produced naturally in extremely small amounts during the radioactive decay of uranium. Technetium is used to remove corrosion from steel. Its longest-lived isotope is Tc 98 with a half-life of 4,200,000 years. Atomic number 43; melting point 2,200°C; specific gravity 11.50; valence 0, 2, 4, 5, 6, 7. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.