TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
D2O [2 records]
Record 1 - internal organization data 2015-11-19
Record 1, English
Record 1, Subject field(s)
- Atomic Physics
- Nuclear Physics
- Chemistry
Universal entry(ies) Record 1
Record 1, Main entry term, English
- heavy water
1, record 1, English, heavy%20water
correct, standardized
Record 1, Abbreviations, English
Record 1, Synonyms, English
- deuterium oxide 2, record 1, English, deuterium%20oxide
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Water formed by molecules in which hydrogen is replaced by its heavy isotope, deuterium. 3, record 1, English, - heavy%20water
Record number: 1, Textual support number: 1 OBS
Chemical formula: D2O 4, record 1, English, - heavy%20water
Record number: 1, Textual support number: 2 OBS
heavy water: term and definition standardized by ISO in 1997. 5, record 1, English, - heavy%20water
Record 1, French
Record 1, Domaine(s)
- Physique atomique
- Physique nucléaire
- Chimie
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- eau lourde
1, record 1, French, eau%20lourde
correct, feminine noun, standardized
Record 1, Abbreviations, French
Record 1, Synonyms, French
- oxyde de deutérium 2, record 1, French, oxyde%20de%20deut%C3%A9rium
correct, masculine noun
- protoxyde de deutérium 3, record 1, French, protoxyde%20de%20deut%C3%A9rium
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Eau composée de molécules dans lesquelles l'hydrogène est remplacé par son isotope lourd, le deutérium. 4, record 1, French, - eau%20lourde
Record number: 1, Textual support number: 1 OBS
Formule chimique : D2O 5, record 1, French, - eau%20lourde
Record number: 1, Textual support number: 2 OBS
eau lourde : terme et définition normalisés par l'ISO en 1997. 6, record 1, French, - eau%20lourde
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Física atómica
- Física nuclear
- Química
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- agua pesada
1, record 1, Spanish, agua%20pesada
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- óxido de deuterio 2, record 1, Spanish, %C3%B3xido%20de%20deuterio
correct, masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Agua que contiene una proporción mayor de lo normal de los isótopos pesados de hidrógeno en combinación con oxígeno. 3, record 1, Spanish, - agua%20pesada
Record number: 1, Textual support number: 1 CONT
El agua común contiene [agua pesada] a razón de una parte por 6500. [...] El agua pesada se usa como moderador o frenador de neutrones en ciertos reactores nucleares, así como trazador isotópico. 4, record 1, Spanish, - agua%20pesada
Record number: 1, Textual support number: 1 OBS
Fórmula química: D2O 5, record 1, Spanish, - agua%20pesada
Record 2 - external organization data 2015-05-06
Record 2, English
Record 2, Subject field(s)
- Compartment - Canadian Nuclear Safety Commission
- Chemistry
- Atomic Physics
Universal entry(ies) Record 2
Record 2, Main entry term, English
- heavy water
1, record 2, English, heavy%20water
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- deuterium oxide 2, record 2, English, deuterium%20oxide
correct, less frequent
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Water containing significantly more than the natural proportions (one in 6,500) of heavy hydrogen (deuterium, D) atoms to ordinary hydrogen atoms. 3, record 2, English, - heavy%20water
Record number: 2, Textual support number: 1 OBS
Heavy water is used as a moderator in some reactors because it slows down neutrons effectively and also has a low probability of absorption of neutrons. 3, record 2, English, - heavy%20water
Record number: 2, Textual support number: 2 OBS
Chemical formula: D2O 4, record 2, English, - heavy%20water
Record 2, French
Record 2, Domaine(s)
- Tiroir - Commission canadienne de sûreté nucléaire
- Chimie
- Physique atomique
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- eau lourde
1, record 2, French, eau%20lourde
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- oxyde de deutérium 2, record 2, French, oxyde%20de%20deut%C3%A9rium
correct, masculine noun
- protoxyde de deutérium 3, record 2, French, protoxyde%20de%20deut%C3%A9rium
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Eau dans les molécules de laquelle le deutérium tient la place de l'hydrogène ordinaire. 4, record 2, French, - eau%20lourde
Record number: 2, Textual support number: 1 CONT
L'eau lourde [...] est un liquide incolore, inodore et insipide, de densité 1,106 - d'où son nom. [...] Elle est un excellent ralentisseur de neutrons (ou modérateur) et comme tel est utilisé dans les réacteurs dits à eau lourde (Candu). 5, record 2, French, - eau%20lourde
Record number: 2, Textual support number: 1 OBS
Formule chimique : D2O 6, record 2, French, - eau%20lourde
Record 2, Spanish
Record 2, Textual support, Spanish
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