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The Government of Canada’s terminology and linguistic data bank.
rare earths [1 record]
Record 1 - internal organization data 2004-12-10
Record 1, English
Record 1, Subject field(s)
- Geochemistry
- Chemistry
- Mineralogy
Record 1, Main entry term, English
- rare earths
1, record 1, English, rare%20earths
correct, see observation, plural
Record 1, Abbreviations, English
Record 1, Synonyms, English
- rare earth oxides 2, record 1, English, rare%20earth%20oxides
correct, see observation, plural
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The oxides of the rare earth elements. 3, record 1, English, - rare%20earths
Record number: 1, Textual support number: 2 DEF
A series of widely distributed but relatively scarce minerals, principally oxides of the rare-earth metals. 4, record 1, English, - rare%20earths
Record number: 1, Textual support number: 1 OBS
The names of the minerals are the same as the metals except for their ending in (a) instead of (um) as, for example, ceria, terbia, yttria, etc. 4, record 1, English, - rare%20earths
Record number: 1, Textual support number: 2 OBS
The name [rare earths] is misleading as the elements are not earths and they are not really rare. 4, record 1, English, - rare%20earths
Record number: 1, Textual support number: 3 OBS
See also "rare earth metal(s)"; "lanthanides". 5, record 1, English, - rare%20earths
Record number: 1, Textual support number: 4 OBS
rare earths; rare earth oxides: terms rarely used in the singular (rare earth; rare earth oxide). 6, record 1, English, - rare%20earths
Record 1, French
Record 1, Domaine(s)
- Géochimie
- Chimie
- Minéralogie
Record 1, Main entry term, French
- terres rares
1, record 1, French, terres%20rares
correct, see observation, feminine noun, plural
Record 1, Abbreviations, French
Record 1, Synonyms, French
- oxydes des terres rares 2, record 1, French, oxydes%20des%20terres%20rares
correct, see observation, masculine noun, plural
- oxydes de lanthanides 2, record 1, French, oxydes%20de%20lanthanides
correct, see observation, masculine noun, plural
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'industrie du verre et des céramiques constitue l'une des principales applications des terres rares. L'oxyde de cérium s'emploie pour le polissage du verre et en optique médicale [...] On utilise également les oxydes des terres rares pour la verrerie d'art [...] L'industrie des émaux consomme aussi une quantité notable d'oxydes de lanthanides [...] mais ces oxydes ont surtout pris beaucoup d'importance dans la céramique industrielle [...] L'industrie de l'éclairage représente un marché très important pour l'emploi des terres rares [...] 2, record 1, French, - terres%20rares
Record number: 1, Textual support number: 1 OBS
terres rares : Dénomination habituelle des lanthanides et de leurs oxydes. 2, record 1, French, - terres%20rares
Record number: 1, Textual support number: 2 OBS
Employé seul, le terme «terres rares» se rapporte aux oxydes des terres rares. 3, record 1, French, - terres%20rares
Record number: 1, Textual support number: 3 OBS
terres rares; oxydes des terres rares; oxydes de lanthanides : termes rarement utilisés au singulier (terre rare; oxyde de terre rare; oxyde de lanthanide). 4, record 1, French, - terres%20rares
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Geoquímica
- Química
- Mineralogía
Record 1, Main entry term, Spanish
- tierras raras
1, record 1, Spanish, tierras%20raras
correct, feminine noun, plural
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Grupos de minerales que contienen óxidos y otros compuestos de los metales trivalentes de número atómico comprendido entre 57 y 71 inclusive, o sea todos los lantánidos. 2, record 1, Spanish, - tierras%20raras
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