thorium

Nom commun , masculin , singulier

Voir les mots dérivés de thorium.

Définition de "thorium"

Votre définition de "thorium"

Définition du mot "thorium" (autres sites)

1 - thorium - definition of thorium by the free online dictionary ...

A radioactive silvery-white metallic element that is recovered commercially from monazite. Its longest-lived isotope, the only one that occurs naturally, is Th 232 ...
http://www.thefreedictionary.com/thorium

2 - thorium - definition of thorium by the free online dictionary ...

Définition thorium: Métal blanc radioactif. ... 1thorium (nom masculin) - Définition Mediadico. Métal blanc radioactif. Expressions de thorium. Silicate, minerais de ...
http://www.thefreedictionary.com/thorium

3 - thorium : définition de thorium dans le dictionnaire mediadico

There are two sets of estimates that define world thorium reserves, one set by the US Geological Survey (USGS) and the other supported by reports from the ...
http://www.mediadico.com/dictionnaire/definition/thorium

4 - thorium : définition de thorium dans le dictionnaire mediadico

a grayish-white, lustrous, somewhat ductile and malleable, radioactive metallic element present in monazite: used as a source of nuclear energy, as a coating on ...
http://www.mediadico.com/dictionnaire/definition/thorium

5 - Thorium | define thorium at dictionary.com

thorium, définition du mot thorium dans le dictionnaire. Définition : Métal blanc radioactif...
http://dictionary.reference.com/browse/thorium

6 - Thorium | define thorium at dictionary.com

Pure thorium is a lustrous silvery metal. Over the course of several months in air, it tarnishes to gray and eventually black. Photo is thorium foil (~0.5 mm thick) ...
http://dictionary.reference.com/browse/thorium