TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
7440-12-2 [1 record]
Record 1 - external organization data 2012-03-06
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Geochemistry
- Compartment - Canadian Nuclear Safety Commission
Universal entry(ies) Record 1
Record 1, Main entry term, English
- promethium
1, record 1, English, promethium
correct
Record 1, Abbreviations, English
- Pm 2, record 1, English, Pm
correct
Record 1, Synonyms, English
- illinium 3, record 1, English, illinium
former designation, avoid, see observation
- prometheium 4, record 1, English, prometheium
avoid
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A rare earth element discovered in the fission products of uranium. 5, record 1, English, - promethium
Record number: 1, Textual support number: 1 CONT
[Promethium] is prepared in a cyclotron by bombarding neodymium with protons and from nuclear reactor fuels by ion-exchange separations. Fourteen isotopes, promethium 141 to promethium 154, have been made; ... Symbol, Pm; valence, 3; atomic number, 61; ... 5, record 1, English, - promethium
Record number: 1, Textual support number: 1 OBS
illinium: A disused name; named after the University of "Illinois," where the presence of this element was confirmed during an X-ray analysis in 1926. 6, record 1, English, - promethium
Record 1, French
Record 1, Domaine(s)
- Chimie
- Géochimie
- Tiroir - Commission canadienne de sûreté nucléaire
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- prométhium
1, record 1, French, prom%C3%A9thium
correct, see observation, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- prométhéum 2, record 1, French, prom%C3%A9th%C3%A9um
former designation, avoid, masculine noun
- Pm 2, record 1, French, Pm
correct, masculine noun
- Pm 2, record 1, French, Pm
- illinium 3, record 1, French, illinium
former designation, avoid, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Métal du groupe des lanthanides (terres rares), radioactif et instable. 4, record 1, French, - prom%C3%A9thium
Record number: 1, Textual support number: 1 OBS
Élément de numéro atomique 61; masse atomique 145. 4, record 1, French, - prom%C3%A9thium
Record number: 1, Textual support number: 2 OBS
prométhium : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée). 5, record 1, French, - prom%C3%A9thium
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
- Geoquímica
- Compartimiento - Comisión Canadiense de Seguridad Nuclear
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- prometio
1, record 1, Spanish, prometio
masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- promecio 1, record 1, Spanish, promecio
masculine noun
Record 1, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
Writing tools
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
Access Translation Bureau glossaries and vocabularies.
- Date Modified: