Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,915,699,581 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

thoron

   Also found in: Dictionary/thesaurus, Medical, Financial, Acronyms, Wikipedia 0.01 sec.
thoron: see radon radon , gaseous radioactive chemical element; symbol Rn; at. no. 86; mass no. of most stable isotope 222; m.p. about −71°C;; b.p. −61.8°C;; density 9.73 grams per liter at STP; valence usually 0. Radon is colorless and the most dense gas known.
..... Click the link for more information.
; thorium thorium [from Thor], radioactive chemical element; symbol Th; at. no. 90; at. wt. 232.0381; m.p. about 1,750°C;; b.p. about 4,790°C;; sp. gr. 11.7 at 20°C;; valence +4.

Thorium is a soft, ductile, lustrous, silver-white, radioactive metal.
..... Click the link for more information.
.
thoron [′thȯr‚än]
(nuclear physics)
The conventional name for radon-220. Symbolized Tn.


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Mentioned in?  References in periodicals archive?   Encyclopedia browser?   Full browser?
No references found
 
” Supporters of gay marriage have also taken to the airwaves with their own ad featuring pro-gay group Parents, Families and Friends of Lesbians and Gays (PFLAG) board member Sam Thoron and his wife Julia speaking out in support of gay marriage and against Proposition 8.
quot;I''ve never really believed these creams would stop wrinkles, but they make me feel and smell good," said Amira Thoron, a 36-year-old New York teacher.
In addition to radon, thoron is another natural radioactive gas entering homes.
 
 
 
Encyclopedia
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.