TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
DSENO [4 records]
Record 1 - internal organization data 2022-07-13
Record 1, English
Record 1, Subject field(s)
- Food Safety
- Collaboration with the FAO
Record 1, Main entry term, English
- safety factor
1, record 1, English, safety%20factor
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
In evaluating the safety of food residues, the most appropriate NOAEL [no observed adverse effect level] is divided by a safety factor, usually of 100. This number may be lower or higher, depending on a number of factors considered in the hazard assessment, such as the type of effect observed. The resulting figure provides the acceptable daily intake-the amount of the pesticide that toxicologists consider safe for humans to consume each day for an entire lifetime. 2, record 1, English, - safety%20factor
Record 1, French
Record 1, Domaine(s)
- Salubrité alimentaire
- Collaboration avec la FAO
Record 1, Main entry term, French
- facteur de sécurité
1, record 1, French, facteur%20de%20s%C3%A9curit%C3%A9
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Pour l'évaluation de l'innocuité des résidus dans les aliments, on divise la DSENO [dose sans effet nocif observé] la plus appropriée par un facteur de sécurité, habituellement 100. Ce facteur peut être plus faible ou plus élevé, selon certains des éléments considérés dans l'évaluation des dangers comme, par exemple, le type d’effet observé. Le résultat est la dose journalière admissible, c'est-à-dire la quantité de produit que les toxicologues estiment sans danger pour l'être humain même si elle est consommée quotidiennement pendant toute la vie. 2, record 1, French, - facteur%20de%20s%C3%A9curit%C3%A9
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-11-24
Record 2, English
Record 2, Subject field(s)
- Environmental Studies and Analyses
- Toxicology
Record 2, Main entry term, English
- lowest-observed-adverse-effect level
1, record 2, English, lowest%2Dobserved%2Dadverse%2Deffect%20level
correct
Record 2, Abbreviations, English
- LOAEL 1, record 2, English, LOAEL
correct
Record 2, Synonyms, English
- lowest observed adverse effect level 2, record 2, English, lowest%20observed%20adverse%20effect%20level
correct
- LOAEL 2, record 2, English, LOAEL
correct
- LOAEL 2, record 2, English, LOAEL
- lowest-observed-adverse-effect-level 2, record 2, English, lowest%2Dobserved%2Dadverse%2Deffect%2Dlevel
correct
- LOAEL 2, record 2, English, LOAEL
correct
- LOAEL 2, record 2, English, LOAEL
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The lowest dose in a toxicity study that results in an observed adverse effect (usually one dosage level above the NOAEL [no-observed-adverse-effect level]). 3, record 2, English, - lowest%2Dobserved%2Dadverse%2Deffect%20level
Record number: 2, Textual support number: 1 OBS
An adverse effect is a change in the morphology, physiology, growth, development or lifespan of an organism that results in impairment of its capacity to compensate for additional stress or an increase in its susceptibility to the harmful effects of other environmental influences. 3, record 2, English, - lowest%2Dobserved%2Dadverse%2Deffect%20level
Record number: 2, Textual support number: 2 OBS
lowest-observed-adverse-effect level: term used by Environment Canada. 4, record 2, English, - lowest%2Dobserved%2Dadverse%2Deffect%20level
Record 2, French
Record 2, Domaine(s)
- Études et analyses environnementales
- Toxicologie
Record 2, Main entry term, French
- dose minimale avec effet nocif observé
1, record 2, French, dose%20minimale%20avec%20effet%20nocif%20observ%C3%A9
correct, feminine noun
Record 2, Abbreviations, French
- DMENO 1, record 2, French, DMENO
correct, feminine noun
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
La plus faible dose qui, dans une étude de toxicité, produit un effet nocif observé(d’ordinaire, un niveau de dose au-dessus de la DSENO [dose sans effet nocif observé]). 2, record 2, French, - dose%20minimale%20avec%20effet%20nocif%20observ%C3%A9
Record number: 2, Textual support number: 1 OBS
Un effet nocif est une altération significative de la morphologie, de la physiologie, de la croissance, du développement ou de l’espérance de vie d’un organisme, qui nuit à sa capacité de s’ajuster à un nouveau stress ou qui augmente sa susceptibilité aux effets nuisibles d’autres influences présentes dans l’environnement. 2, record 2, French, - dose%20minimale%20avec%20effet%20nocif%20observ%C3%A9
Record number: 2, Textual support number: 2 OBS
dose minimale avec effet nocif observé : terme en usage à Environnement Canada. 3, record 2, French, - dose%20minimale%20avec%20effet%20nocif%20observ%C3%A9
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Estudios y análisis del medio ambiente
- Toxicología
Record 2, Main entry term, Spanish
- nivel de efecto adverso más bajo observado
1, record 2, Spanish, nivel%20de%20efecto%20adverso%20m%C3%A1s%20bajo%20observado
correct, masculine noun
Record 2, Abbreviations, Spanish
- NEABO 2, record 2, Spanish, NEABO
correct, masculine noun
Record 2, Synonyms, Spanish
- nivel mínimo de efecto adverso observado 3, record 2, Spanish, nivel%20m%C3%ADnimo%20de%20efecto%20adverso%20observado
correct, masculine noun
- NMEAO 3, record 2, Spanish, NMEAO
correct, masculine noun
- NMEAO 3, record 2, Spanish, NMEAO
- nivel mínimo de efectos adversos observables 4, record 2, Spanish, nivel%20m%C3%ADnimo%20de%20efectos%20adversos%20observables
correct, masculine noun
- NMEAO 4, record 2, Spanish, NMEAO
correct, masculine noun
- NMEAO 4, record 2, Spanish, NMEAO
- nivel más bajo de efectos adversos observados 5, record 2, Spanish, nivel%20m%C3%A1s%20bajo%20de%20efectos%20adversos%20observados
correct, masculine noun
- NBEAO 5, record 2, Spanish, NBEAO
correct, masculine noun
- NBEAO 5, record 2, Spanish, NBEAO
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Dosis más baja determinada experimentalmente en la cual se ha observado una expresión estadística o biológica del efecto tóxico de interés. 6, record 2, Spanish, - nivel%20de%20efecto%20adverso%20m%C3%A1s%20bajo%20observado
Record number: 2, Textual support number: 1 CONT
El nivel mínimo de efectos adversos observables (NMEAO), [es] el nivel más bajo en que se han observado efectos de intoxicación, generalmente empleado cuando se aplican dosificaciones intermitentes y repetidas. Tanto el NEANO [nivel de efectos adversos no observables] como el NMEAO, no incorporan [...] la variación de susceptibilidad individual, o sensibilidad de la población. 4, record 2, Spanish, - nivel%20de%20efecto%20adverso%20m%C3%A1s%20bajo%20observado
Record 3 - internal organization data 2010-11-10
Record 3, English
Record 3, Subject field(s)
- Environmental Studies and Analyses
- Toxicology
Record 3, Main entry term, English
- no-observed-adverse-effect level
1, record 3, English, no%2Dobserved%2Dadverse%2Deffect%20level
correct
Record 3, Abbreviations, English
- NOAEL 1, record 3, English, NOAEL
correct
Record 3, Synonyms, English
- no observed adverse effect level 2, record 3, English, no%20observed%20adverse%20effect%20level
correct
- NOAEL 2, record 3, English, NOAEL
correct
- NOAEL 2, record 3, English, NOAEL
- no-observed-adverse-effect-level 2, record 3, English, no%2Dobserved%2Dadverse%2Deffect%2Dlevel
correct
- NOAEL 2, record 3, English, NOAEL
correct
- NOAEL 2, record 3, English, NOAEL
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
The highest dose in a toxicity study that does not result in any observed adverse effect. 3, record 3, English, - no%2Dobserved%2Dadverse%2Deffect%20level
Record number: 3, Textual support number: 1 OBS
An adverse effect is a change in the morphology, physiology, growth, development or lifespan of an organism that results in impairment of its capacity to compensate for additional stress or an increase in its susceptibility to the harmful effects of other environmental influences. 3, record 3, English, - no%2Dobserved%2Dadverse%2Deffect%20level
Record number: 3, Textual support number: 2 OBS
no-observed-adverse-effect level: term used by Environment Canada. 4, record 3, English, - no%2Dobserved%2Dadverse%2Deffect%20level
Record 3, French
Record 3, Domaine(s)
- Études et analyses environnementales
- Toxicologie
Record 3, Main entry term, French
- dose sans effet nocif observé
1, record 3, French, dose%20sans%20effet%20nocif%20observ%C3%A9
correct, feminine noun
Record 3, Abbreviations, French
- DSENO 1, record 3, French, DSENO
correct, feminine noun
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
La plus forte dose qui, dans une étude de toxicité, ne produit aucun effet nocif observé. 2, record 3, French, - dose%20sans%20effet%20nocif%20observ%C3%A9
Record number: 3, Textual support number: 1 OBS
Un effet nocif est une altération significative de la morphologie, de la physiologie, de la croissance, du développement ou de l’espérance de vie d’un organisme, qui nuit à sa capacité de s’ajuster à un nouveau stress ou qui augmente sa susceptibilité aux effets nuisibles d’autres influences présentes dans l’environnement. 2, record 3, French, - dose%20sans%20effet%20nocif%20observ%C3%A9
Record number: 3, Textual support number: 2 OBS
dose sans effet nocif observé : terme en usage à Environnement Canada. 3, record 3, French, - dose%20sans%20effet%20nocif%20observ%C3%A9
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Estudios y análisis del medio ambiente
- Toxicología
Record 3, Main entry term, Spanish
- nivel sin efecto adverso observado
1, record 3, Spanish, nivel%20sin%20efecto%20adverso%20observado
correct, masculine noun
Record 3, Abbreviations, Spanish
- NEANO 1, record 3, Spanish, NEANO
correct, masculine noun
Record 3, Synonyms, Spanish
- nivel sin efecto adverso observable 2, record 3, Spanish, nivel%20sin%20efecto%20adverso%20observable
correct, masculine noun
- nivel de efectos adversos no observables 3, record 3, Spanish, nivel%20de%20efectos%20adversos%20no%20observables
correct, masculine noun
- NEANO 3, record 3, Spanish, NEANO
correct, masculine noun
- NEANO 3, record 3, Spanish, NEANO
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Dosis máxima administrada que no produce efectos tóxicos. 1, record 3, Spanish, - nivel%20sin%20efecto%20adverso%20observado
Record number: 3, Textual support number: 1 CONT
Los valores más frecuentemente usados en conceptos del umbral tóxico son: [1] El nivel de efectos adversos no observables (NEANO), el nivel en el que no se observan efectos tóxicos sobre el organismo. [2] El nivel mínimo de efectos adversos observables (NMEAO) [...] 3, record 3, Spanish, - nivel%20sin%20efecto%20adverso%20observado
Record 4 - internal organization data 2004-02-16
Record 4, English
Record 4, Subject field(s)
- Environmental Studies and Analyses
- Toxicology
Record 4, Main entry term, English
- reference concentration
1, record 4, English, reference%20concentration
correct
Record 4, Abbreviations, English
- RfC 2, record 4, English, RfC
correct
- RC 3, record 4, English, RC
correct
Record 4, Synonyms, English
- referent concentration 4, record 4, English, referent%20concentration
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Reference Concentration (RfC): The RfC is an estimate (with uncertainty spanning perhaps an order of magnitude) of a continuous inhalation exposure to the human population (including sensitive subgroups which include children, asthmatics and the elderly) that is likely to be without an appreciable risk of deleterious effects during a lifetime. It can be derived from various types of human or animal data, with uncertainty factors generally applied to reflect limitations of the data used. 2, record 4, English, - reference%20concentration
Record number: 4, Textual support number: 2 CONT
... interim criteria adopted for assessing the quality of sediment in the St.Lawrence River. Three levels were defined: -No effect level (reference concentration, no chronic or acute effects); -Minimal effect level ... -Toxic effect level ... 5, record 4, English, - reference%20concentration
Record number: 4, Textual support number: 1 PHR
Risk-based reference concentration, short-term reference concentration. 6, record 4, English, - reference%20concentration
Record 4, French
Record 4, Domaine(s)
- Études et analyses environnementales
- Toxicologie
Record 4, Main entry term, French
- concentration de référence
1, record 4, French, concentration%20de%20r%C3%A9f%C3%A9rence
correct, feminine noun
Record 4, Abbreviations, French
- CRf 2, record 4, French, CRf
correct, feminine noun
- CR 3, record 4, French, CR
correct, feminine noun
Record 4, Synonyms, French
- teneur de base 4, record 4, French, teneur%20de%20base
avoid, see observation, feminine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
On peut considérer qu'il existe un cour de doctrine accepté par toute la communauté scientifique et qui s’exprime notamment dans les lignes directrices de l'US EPA [United States Environmental Protection Agency] et le Guide technique de l'Union européenne. On considère [qu'il] existe un seuil d’effet pour les effets de type systémique. Ce seuil, appelé «dose de référence(DRf) »ou «concentration de référence(CRf) », est calculé en appliquant à la DSENO(dose sans effet nocif observé) déterminée par expérimentation animale des facteurs de sécurité. 2, record 4, French, - concentration%20de%20r%C3%A9f%C3%A9rence
Record number: 4, Textual support number: 2 CONT
Les critères intérimaires pour l’évaluation de la qualité des sédiments retenus pour le fleuve Saint-Laurent [...] sont regroupés en trois niveaux : · Seuil sans effet (SSE) : teneur de base, sans effets chroniques ou aigus; · Seuil d’effets mineurs (SEM) [...] · Seuil d’effets néfastes (SEN) [...] 4, record 4, French, - concentration%20de%20r%C3%A9f%C3%A9rence
Record number: 4, Textual support number: 1 OBS
Il existe une nuance entre «teneur» et «concentration». «Teneur» désigne la quantité de matière contenue dans un corps, par exemple : teneur en or d’un minerai, alors que «concentration» désigne la proportion d’un composant dans une solution, un mélange, par exemple : concentration en masse, en volume, concentration forte, faible. Dans ce contexte le terme «teneur» est à éviter. 5, record 4, French, - concentration%20de%20r%C3%A9f%C3%A9rence
Record number: 4, Textual support number: 1 PHR
Concentration de référence basée sur les risques. 5, record 4, French, - concentration%20de%20r%C3%A9f%C3%A9rence
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Estudios y análisis del medio ambiente
- Toxicología
Record 4, Main entry term, Spanish
- concentración de referencia
1, record 4, Spanish, concentraci%C3%B3n%20de%20referencia
correct, feminine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, 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:


