TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

UO2 [3 records]

Record 1 2016-02-19

English

Subject field(s)
  • Mineralogy
  • Radioactive Ores (Mining)
Universal entry(ies)
UO2
formula, see observation
DEF

A generally black isometric mineral, strongly radioactive; a source of uranium.

OBS

Chemical formula: UO2

French

Domaine(s)
  • Minéralogie
  • Minerais radioactifs (Mines métalliques)
Entrée(s) universelle(s)
UO2
formula, see observation
DEF

Minéral (oxyde) du système cristallin cubique [...] de couleur noire [trouvé] dans les pegmatites de terrains paléozoïques, en particulier en Afrique.

OBS

Formule chimique : UO2

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Minerales radioactivos (Minas metálicas)
Entrada(s) universal(es)
UO2
formula, see observation
DEF

Óxido de uranio [...] que cristaliza en el sistema cúbico [...]

OBS

[...] mineral opaco, de color negruzco y aspecto de pez; se encuentra ya cristalizada, ya en masas compactas [...], que constituyen la mena principal del uranio y del radio.

OBS

Fórmula química: UO2

Save record 1

Record 2 - external organization data 2011-02-07

English

Subject field(s)
  • Chemistry
  • Atomic Physics
  • Compartment - Canadian Nuclear Safety Commission
Universal entry(ies)
UO2
formula, see observation
CONT

"uranium oxide": any of a series of oxides of uranium that are usually regarded as definite compounds but are better considered phases with a range of compositions: as a) the dioxide UO2 ... obtained as a brown to black crystalline powder by heating uranium trioxide or tri-uranium oct-oxide in hydrogen or carbon monoxide and formerly used in gas mantles and in ceramic glazes....

CONT

Uranium refining wastes ... are produced as a result of refining the yellow cake received from uranium mine mills to uranium trioxide (UO3), and from the conversion of UO3 to either uranium hexafluoride or uranium dioxide.

OBS

Chemical formula: UO2

French

Domaine(s)
  • Chimie
  • Physique atomique
  • Tiroir - Commission canadienne de sûreté nucléaire
Entrée(s) universelle(s)
UO2
formula, see observation
CONT

On connaît plusieurs oxydes d'uranium : l'oxyde uraneux UO2 est un solide noir, à propriétés basiques, résultant de la calcination de nombreux sels d'uranium [...]

OBS

Formule chimique : UO2

Spanish

Campo(s) temático(s)
  • Química
  • Física atómica
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Entrada(s) universal(es)
UO2
formula, see observation
DEF

Polvo negro, de elevado punto de fusión. Combustible de los reactores nucleares. Tóxico, riesgo de radiación. Inflamable en forma de polvo.

OBS

Fórmula química: UO2

Save record 2

Record 3 2010-09-22

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
UO2
formula, see observation
DEF

A massive brown to black variety of uraninite found in hydrothermal sulfide-bearing veins [and having] a distinctive pitchy to dull luster.

OBS

Pitchblende contains a slight amount of radium, but thorium and the rare earths are generally absent.

OBS

Chemical formula: UO2

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
UO2
formula, see observation
DEF

Minéral (oxyde) du système cristallin cubique [qui est une] variété d'uraninite massive, rencontrée dans les pegmatites granitiques et dans les filons hydrothermaux.

OBS

Formule chimique : UO2

Spanish

Save record 3

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