Definition of tritium

Reference

	Dictionary
	Encyclopedia
	Thesaurus
	World Factbook
	Spanish Dictionary
	Quotations
	Anatomy
	Conversion Calculator

Word of the Day

exculpate
Definition: (verb) to free from blame or guilt.
Petersons.com

Add Word of the Day to your personalized My Yahoo! page:

About My Yahoo! and RSS »

Sponsored Links

Tritium Exit Signs
High-quality, low-cost Tritium exit signs. Free report on exit sign requirements and guidelines.
www.exit-signs-r-us.com

Email this page to a friend

< triticale

triton >

trit·i·um

(tr

m, tr

-) KEY

NOUN:

A rare radioactive hydrogen isotope with atomic mass 3 and half-life 12.5 years, prepared artificially for use as a tracer and as a constituent of hydrogen bombs.

ETYMOLOGY:
From Greek tritos, third; see trei- in Indo-European roots

Visit our partner's site

Provided by Houghton Mifflin
		eReference -- Download this interactive reference software to your desktop computer

Sponsored Links

Moravek Biochemicals
High quality radiochemicals, C14 and tritium custom synthesis.
www.moravek.com
Tritium Sights
Shop Our Huge Selection of Scopes, Bases, and Rings at Low Prices.
www.Brownells.com
XS Sights
CQB and Trijicon® Tritium Night Sights.
www.xssights.com

( What's this? )

Search Dictionary:

More on Yahoo! Education

•	Online and On-Campus Degree Programs MBAs - Technology Management - Education - Health - More
•	College & Grad School - A Comprehensive Guide College Search - Test Prep - Application Tips - Scholarship Search

The American Heritage® Dictionary of the English Language, Fourth Edition.
Copyright © 2000 by Houghton Mifflin Company.
Published by the Houghton Mifflin Company. All rights reserved.
Other Important Information