TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
MATERIA ORIGINAL [1 record]
Record 1 - external organization data 2013-10-03
Record 1, English
Record 1, Subject field(s)
- Atomic Physics
- Nuclear Physics
- Compartment - Canadian Nuclear Safety Commission
Record 1, Main entry term, English
- parent
1, record 1, English, parent
correct, noun
Record 1, Abbreviations, English
Record 1, Synonyms, English
- nuclear parent 2, record 1, English, nuclear%20parent
correct
- parent element 3, record 1, English, parent%20element
correct
- parent material 4, record 1, English, parent%20material
correct
- parent substance 5, record 1, English, parent%20substance
correct
- precursor 6, record 1, English, precursor
correct, see observation, standardized
- radioactive precursor 7, record 1, English, radioactive%20precursor
correct
- nuclear precursor 8, record 1, English, nuclear%20precursor
correct
- nuclear father 8, record 1, English, nuclear%20father
correct
- parent isotope 9, record 1, English, parent%20isotope
- mother radionuclide 10, record 1, English, mother%20radionuclide
less frequent
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A radioactive nuclide which precedes a given nuclide in a decay chain. 6, record 1, English, - parent
Record number: 1, Textual support number: 1 CONT
... uranium and thorium are the dominant elements in discussions about low-level radioactive wastes. They are the parents of the decay chains of radionuclides ... which include the extremely important and ... dominant offspring, radium and one of its daughter products, radon. 10, record 1, English, - parent
Record number: 1, Textual support number: 1 OBS
precursor: [This] term is often restricted to the immediately preceding nuclide. 6, record 1, English, - parent
Record number: 1, Textual support number: 2 OBS
precursor: term and definition standardized by ISO in 1997. 11, record 1, English, - parent
Record 1, French
Record 1, Domaine(s)
- Physique atomique
- Physique nucléaire
- Tiroir - Commission canadienne de sûreté nucléaire
Record 1, Main entry term, French
- parent
1, record 1, French, parent
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- père nucléaire 2, record 1, French, p%C3%A8re%20nucl%C3%A9aire
correct, masculine noun
- nucléide père 3, record 1, French, nucl%C3%A9ide%20p%C3%A8re
correct, masculine noun
- élément père 4, record 1, French, %C3%A9l%C3%A9ment%20p%C3%A8re
correct, masculine noun
- précurseur 5, record 1, French, pr%C3%A9curseur
correct, see observation, masculine noun, standardized
- précurseur radioactif 6, record 1, French, pr%C3%A9curseur%20radioactif
correct, masculine noun
- précurseur nucléaire 7, record 1, French, pr%C3%A9curseur%20nucl%C3%A9aire
correct, masculine noun
- père 7, record 1, French, p%C3%A8re
correct, masculine noun
- substance père 8, record 1, French, substance%20p%C3%A8re
feminine noun
- isotope-parent 9, record 1, French, isotope%2Dparent
masculine noun
- radionucléide mère 10, record 1, French, radionucl%C3%A9ide%20m%C3%A8re
masculine noun, less frequent
- élément-mère 9, record 1, French, %C3%A9l%C3%A9ment%2Dm%C3%A8re
masculine noun, less frequent
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Tout nucléide radioactif qui précède un nucléide donné dans une chaîne de désintégration. 11, record 1, French, - parent
Record number: 1, Textual support number: 1 OBS
précurseur : [Ce] terme est souvent limité au nucléide immédiatement précédent. 11, record 1, French, - parent
Record number: 1, Textual support number: 2 OBS
précurseur : terme et définition normalisés par l'ISO en 1997. 12, record 1, French, - parent
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Física atómica
- Física nuclear
- Compartimiento - Comisión Canadiense de Seguridad Nuclear
Record 1, Main entry term, Spanish
- padre
1, record 1, Spanish, padre
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- padre nuclear 1, record 1, Spanish, padre%20nuclear
correct, masculine noun
- elemento padre 2, record 1, Spanish, elemento%20padre
correct, masculine noun
- ascendiente nuclear 2, record 1, Spanish, ascendiente%20nuclear
correct, masculine noun
- precursor 3, record 1, Spanish, precursor
correct, masculine noun
- precursor radiactivo 3, record 1, Spanish, precursor%20radiactivo
correct, masculine noun
- precursor nuclear 2, record 1, Spanish, precursor%20nuclear
correct, masculine noun
- radionúclido padre 4, record 1, Spanish, radion%C3%BAclido%20padre
correct, masculine noun
- núclido padre 4, record 1, Spanish, n%C3%BAclido%20padre
correct, masculine noun
- ascendiente 5, record 1, Spanish, ascendiente
correct, masculine noun
- substancia padre 5, record 1, Spanish, substancia%20padre
feminine noun
- materia original 5, record 1, Spanish, materia%20original
feminine noun
Record 1, Textual support, Spanish
Record 1, Key term(s)
- nucleido padre
- radionucleido padre
- isótopo padre
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
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: