TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
RAISONNABLEMENT POSSIBLE [7 records]
Record 1 - external organization data 2023-03-21
Record 1, English
Record 1, Subject field(s)
- Radiation Protection
- Environmental Law
- Compartment - Canadian Nuclear Safety Commission
Record 1, Main entry term, English
- ALARA level
1, record 1, English, ALARA%20level
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- as low as reasonably achievable level 2, record 1, English, as%20low%20as%20reasonably%20achievable%20level
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A level of individual or collective dose or intake, of effluent release, or of any other parameter related to radiation dose, such that the cost of reduction to a lower level would under the given circumstances exceed the resulting health benefit ... 3, record 1, English, - ALARA%20level
Record 1, French
Record 1, Domaine(s)
- Radioprotection
- Droit environnemental
- Tiroir - Commission canadienne de sûreté nucléaire
Record 1, Main entry term, French
- niveau ALARA
1, record 1, French, niveau%20ALARA
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- niveau le plus bas qu'il soit raisonnablement possible d’atteindre 2, record 1, French, niveau%20le%20plus%20bas%20qu%27il%20soit%20raisonnablement%20possible%20%20d%26rsquo%3Batteindre
correct, masculine noun
- niveau le plus faible qu'il soit raisonnablement possible d’atteindre 3, record 1, French, niveau%20le%20plus%20faible%20qu%27il%20soit%20raisonnablement%20possible%20%20d%26rsquo%3Batteindre
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Niveau d'une dose ou d'une incorporation individuelle ou collective, d'un rejet d'effluent ou de tout autre paramètre lié à une dose de rayonnement, tel que toute tentative visant à le réduire encore plus dépasserait, selon le contexte, les avantages qu'on pourrait en tirer pour la protection de la santé [...] 4, record 1, French, - niveau%20ALARA
Record number: 1, Textual support number: 1 CONT
[...] maintient la dose efficace et la dose équivalente qui sont reçues par la personne, et engagées à son égard, au niveau le plus bas qu'il soit raisonnablement possible d'atteindre, compte tenu des facteurs économiques et sociaux [...] 5, record 1, French, - niveau%20ALARA
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - external organization data 2023-03-21
Record 2, English
Record 2, Subject field(s)
- Radiation Protection
- Environmental Law
- Compartment - Canadian Nuclear Safety Commission
Record 2, Main entry term, English
- ALARA principle
1, record 2, English, ALARA%20principle
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- as low as reasonably achievable principle 2, record 2, English, as%20low%20as%20reasonably%20achievable%20principle
correct
- ALARA optimization principle 3, record 2, English, ALARA%20optimization%20principle
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A principle of radiation protection that holds that exposures to radiation are kept as low as reasonably achievable, social and economic factors taken into account. 4, record 2, English, - ALARA%20principle
Record 2, French
Record 2, Domaine(s)
- Radioprotection
- Droit environnemental
- Tiroir - Commission canadienne de sûreté nucléaire
Record 2, Main entry term, French
- principe ALARA
1, record 2, French, principe%20ALARA
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- principe du niveau le plus bas qu'il soit raisonnablement possible d’atteindre 2, record 2, French, principe%20du%20niveau%20le%20plus%20bas%20qu%27il%20soit%20raisonnablement%20possible%20%20d%26rsquo%3Batteindre
correct, masculine noun
- principe d’optimisation ALARA 3, record 2, French, principe%20d%26rsquo%3Boptimisation%20ALARA
masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Principe de radioprotection en vertu duquel les expositions aux rayonnements sont maintenues au niveau le plus bas qu'il soit raisonnablement possible d'atteindre, compte tenu des facteurs socioéconomiques. 4, record 2, French, - principe%20ALARA
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - external organization data 2005-02-28
Record 3, English
Record 3, Subject field(s)
- Titles of Documents and Works
- Radiation Protection
- Compartment - Canadian Nuclear Safety Commission
Record 3, Main entry term, English
- Guidelines on How to Meet the Requirement to Keep All Exposures as Low as Reasonably Achievable
1, record 3, English, Guidelines%20on%20How%20to%20Meet%20the%20Requirement%20to%20Keep%20All%20Exposures%20as%20Low%20as%20Reasonably%20Achievable
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 OBS
Ottawa: Atomic Energy Control Board, 1997. Regulatory Guide G-129(E). 1, record 3, English, - Guidelines%20on%20How%20to%20Meet%20the%20Requirement%20to%20Keep%20All%20Exposures%20as%20Low%20as%20Reasonably%20Achievable
Record 3, French
Record 3, Domaine(s)
- Titres de documents et d'œuvres
- Radioprotection
- Tiroir - Commission canadienne de sûreté nucléaire
Record 3, Main entry term, French
- Lignes directrices pour satisfaire à l'exigence de maintenir les expositions au niveau le plus faible qu'il soit raisonnablement possible d’atteindre
1, record 3, French, Lignes%20directrices%20pour%20satisfaire%20%C3%A0%20l%27exigence%20de%20maintenir%20les%20expositions%20au%20niveau%20le%20plus%20faible%20qu%27il%20soit%20raisonnablement%20possible%20d%26rsquo%3Batteindre
plural
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 OBS
Ottawa, Commission de contrôle de l'énergie atomique, 1997. Guide d'application de la réglementation G-129(F). 1, record 3, French, - Lignes%20directrices%20pour%20satisfaire%20%C3%A0%20l%27exigence%20de%20maintenir%20les%20expositions%20au%20niveau%20le%20plus%20faible%20qu%27il%20soit%20raisonnablement%20possible%20d%26rsquo%3Batteindre
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - external organization data 2005-02-17
Record 4, English
Record 4, Subject field(s)
- Titles of Documents and Works
- Radiation Protection
- Compartment - Canadian Nuclear Safety Commission
Record 4, Main entry term, English
- Keeping Radiation Exposures and Doses "As Low as Reasonably Achievable (ALARA)"
1, record 4, English, Keeping%20Radiation%20Exposures%20and%20Doses%20%5C%22As%20Low%20as%20Reasonably%20Achievable%20%28ALARA%29%5C%22
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
This Regulatory Guide [G-129] helps persons regulated by the Canadian Nuclear Safety Commission (CNSC), when implementing a radiation protection program, to keep the amount of exposure to radon progeny and the effective dose and equivalent dose received by and committed to persons as low as reasonably achievable, social and economic factors being taken into account (ALARA). 1, record 4, English, - Keeping%20Radiation%20Exposures%20and%20Doses%20%5C%22As%20Low%20as%20Reasonably%20Achievable%20%28ALARA%29%5C%22
Record 4, French
Record 4, Domaine(s)
- Titres de documents et d'œuvres
- Radioprotection
- Tiroir - Commission canadienne de sûreté nucléaire
Record 4, Main entry term, French
- Maintenir les expositions et les doses au «niveau le plus bas qu'il soit raisonnablement possible d’atteindre(ALARA) »
1, record 4, French, Maintenir%20les%20expositions%20et%20les%20doses%20au%20%C2%ABniveau%20le%20plus%20bas%20qu%27il%20soit%20raisonnablement%20possible%20d%26rsquo%3Batteindre%28ALARA%29%20%C2%BB
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Le présent guide d'application [G-129] de la réglementation a pour objet d'aider les personnes réglementées par la Commission canadienne de sûreté nucléaire (CCSN) à maintenir, lorsqu'elles mettent en oeuvre un programme de radioprotection, le degré d'exposition aux produits de filiation du radon ainsi que la dose efficace et la dose équivalente qui sont reçues par la personne, et engagées à son égard, au niveau le plus bas qu'il soit raisonnablement possible d'atteindre (ALARA), compte tenu des facteurs économiques et sociaux. 1, record 4, French, - Maintenir%20les%20expositions%20et%20les%20doses%20au%20%C2%ABniveau%20le%20plus%20bas%20qu%27il%20soit%20raisonnablement%20possible%20d%26rsquo%3Batteindre%28ALARA%29%20%C2%BB
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2004-02-16
Record 5, English
Record 5, Subject field(s)
- Environmental Law
- Radiation Protection
Record 5, Main entry term, English
- as low as reasonably achievable
1, record 5, English, as%20low%20as%20reasonably%20achievable
correct
Record 5, Abbreviations, English
- ALARA 1, record 5, English, ALARA
correct
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
The principle generally accepted in radiation protection that radiation exposures and releases of radioactive materials should be as low as reasonably achievable, taking social and economic factors into account. 2, record 5, English, - as%20low%20as%20reasonably%20achievable
Record number: 5, Textual support number: 1 CONT
ALARA is an acronym for the phrase As Low As Reasonably Achievable. It is most often used in reference to chemical or radiation exposure levels. ... ALARA is not simply a phrase, but a work principle, a mindset, a culture of professional excellence. In an ideal world, one could reduce his exposure to hazardous materials to zero. In reality, reducing an exposure to zero is not always possible; certain social, technical, economic, practical, or public policy considerations will result in a small but acceptable level of risk. The best way to prevent this risk from increasing is to keep one's exposure ALARA. 3, record 5, English, - as%20low%20as%20reasonably%20achievable
Record number: 5, Textual support number: 1 PHR
ALARA approach, concept, level, policy, practice, principle, procedure, program. 4, record 5, English, - as%20low%20as%20reasonably%20achievable
Record number: 5, Textual support number: 2 PHR
To exceed an ALARA level, to keep exposure levels ALARA, to maintain exposures ALARA. 4, record 5, English, - as%20low%20as%20reasonably%20achievable
Record number: 5, Textual support number: 1 OBS
See also "ALARA level," "ALARA principle." 4, record 5, English, - as%20low%20as%20reasonably%20achievable
Record 5, French
Record 5, Domaine(s)
- Droit environnemental
- Radioprotection
Record 5, Main entry term, French
- le plus bas que l’on peut raisonnablement atteindre
1, record 5, French, le%20plus%20bas%20que%20l%26rsquo%3Bon%20peut%20raisonnablement%20atteindre
correct
Record 5, Abbreviations, French
- ALARA 1, record 5, French, ALARA
correct
Record 5, Synonyms, French
- le plus faible qu'il soit raisonnablement possible d’atteindre 2, record 5, French, le%20plus%20faible%20qu%27il%20soit%20raisonnablement%20possible%20%20d%26rsquo%3Batteindre
correct
- ALARA 2, record 5, French, ALARA
correct
- ALARA 2, record 5, French, ALARA
Record 5, Textual support, French
Record number: 5, Textual support number: 1 OBS
ALARA : de l'anglais «as low as reasonably achievable». Signifie le «niveau le plus faible qu'il soit raisonnablement possible d'atteindre, compte tenu des facteurs socio-économiques»; un principe fondamental en radioprotection. 2, record 5, French, - le%20plus%20bas%20que%20l%26rsquo%3Bon%20peut%20raisonnablement%20atteindre
Record number: 5, Textual support number: 1 CONT
Le principe d'optimisation de la protection. Toutes les expositions doivent être maintenues au niveau le plus bas que l'on peut raisonnablement atteindre («as low as reasonably achievable» = ALARA) en tenant compte des facteurs économiques et sociaux. 3, record 5, French, - le%20plus%20bas%20que%20l%26rsquo%3Bon%20peut%20raisonnablement%20atteindre
Record number: 5, Textual support number: 2 OBS
Ce concept constitue un des trois critères fondamentaux recommandés par la Commission internationale de protection radiologique pour réduire au minimum les risques dus aux rayonnements. 4, record 5, French, - le%20plus%20bas%20que%20l%26rsquo%3Bon%20peut%20raisonnablement%20atteindre
Record number: 5, Textual support number: 1 PHR
Concept, démarche, directive, dose, limite, méthode, niveau, objectif, principe ALARA; concept d'ALARA. 5, record 5, French, - le%20plus%20bas%20que%20l%26rsquo%3Bon%20peut%20raisonnablement%20atteindre
Record number: 5, Textual support number: 3 OBS
Voir aussi «niveau ALARA» et «principe ALARA». 5, record 5, French, - le%20plus%20bas%20que%20l%26rsquo%3Bon%20peut%20raisonnablement%20atteindre
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Derecho ambiental
- Protección contra la radiación
Record 5, Main entry term, Spanish
- tan bajo como razonablemente pueda alcanzarse
1, record 5, Spanish, tan%20bajo%20como%20razonablemente%20pueda%20alcanzarse
correct
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
- ALARA 2, record 5, Spanish, ALARA
correct
Record 5, Textual support, Spanish
Record 6 - internal organization data 2001-01-09
Record 6, English
Record 6, Subject field(s)
- General Vocabulary
Record 6, Main entry term, English
- practicable
1, record 6, English, practicable
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, French
Record 6, Domaine(s)
- Vocabulaire général
Record 6, Main entry term, French
- raisonnablement possible 1, record 6, French, raisonnablement%20possible
Record 6, Abbreviations, French
Record 6, Synonyms, French
- matériellement possible 1, record 6, French, mat%C3%A9riellement%20possible
Record 6, Textual support, French
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1999-01-18
Record 7, English
Record 7, Subject field(s)
- Titles of Monographs
- Atomic Physics
Record 7, Main entry term, English
- Guidelines on how to meet the requirements to keep all exposures as low as reasonably achievable
1, record 7, English, Guidelines%20on%20how%20to%20meet%20the%20requirements%20to%20keep%20all%20exposures%20as%20low%20as%20reasonably%20achievable
correct, Canada
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 OBS
Ottawa: Atomic Energy Control Board, 1997. 1, record 7, English, - Guidelines%20on%20how%20to%20meet%20the%20requirements%20to%20keep%20all%20exposures%20as%20low%20as%20reasonably%20achievable
Record 7, French
Record 7, Domaine(s)
- Titres de monographies
- Physique atomique
Record 7, Main entry term, French
- Lignes directrices pour satisfaire à l'exigence de maintenir les expositions au niveau le plus faible qu'il soit raisonnablement possible d’atteindre
1, record 7, French, Lignes%20directrices%20pour%20satisfaire%20%C3%A0%20l%27exigence%20de%20maintenir%20les%20expositions%20au%20niveau%20le%20plus%20faible%20qu%27il%20soit%20raisonnablement%20possible%20d%26rsquo%3Batteindre
correct, Canada
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 OBS
Ottawa : Commission de contrôle de l'énergie atomique, 1997. 1, record 7, French, - Lignes%20directrices%20pour%20satisfaire%20%C3%A0%20l%27exigence%20de%20maintenir%20les%20expositions%20au%20niveau%20le%20plus%20faible%20qu%27il%20soit%20raisonnablement%20possible%20d%26rsquo%3Batteindre
Record 7, Spanish
Record 7, Textual support, Spanish
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: