osmium

Nom commun , masculin , singulier

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Définition de "osmium"

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Définition du mot "osmium" (autres sites)

1 - Osmium | define osmium at dictionary.com

a hard, heavy, metallic element having the greatest density of the known elements and forming octavalent compounds, as OsO 4 and OsF 8 : used chiefly as a ...
http://dictionary.reference.com/browse/osmium

2 - Osmium | define osmium at dictionary.com

a blue-gray or blue-black hard brittle very heavy polyvalent metallic element with a high melting point that is used especially as a catalyst and in hard alloys ...
http://dictionary.reference.com/browse/osmium

3 - osmium | definition of osmium by merriam-webster

A bluish-white, hard, brittle and extremely dense metallic element, found in small amounts in osmiridium, nickel, and platinum ores. It is used as a platinum ...
http://www.merriam-webster.com/dictionary/osmium

4 - osmium | definition of osmium by merriam-webster

Osmium (from Greek osme (????) meaning "smell") is a chemical element with symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal  ...
http://www.merriam-webster.com/dictionary/osmium

5 - osmium - definition of osmium by the free dictionary

Osmium : définition, synonymes, citations, traduction dans le dictionnaire de la langue française. Définition : Métal très lourd. Symbole...
http://www.thefreedictionary.com/osmium

6 - osmium - definition of osmium by the free dictionary

Souvent trouvé dans la nature en alliage avec le platine ou l'iridium, l'osmium est très apprécié pour sa durabilité et sa dureté. Généralités Symbole : OsNuméro ...
http://www.thefreedictionary.com/osmium