TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
DOSIS MAXIMA [5 records]
Record 1 - internal organization data 2019-02-15
Record 1, English
Record 1, Subject field(s)
- Pharmacology
Record 1, Main entry term, English
- drug tolerance
1, record 1, English, drug%20tolerance
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- medication tolerance 2, record 1, English, medication%20tolerance
correct
- tolerance 3, record 1, English, tolerance
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An adaptive state characterized by diminished responses to the same quantity of a drug. 4, record 1, English, - drug%20tolerance
Record 1, Key term(s)
- tolerance to a drug
- tolerance to a medication
Record 1, French
Record 1, Domaine(s)
- Pharmacologie
Record 1, Main entry term, French
- tolérance au médicament
1, record 1, French, tol%C3%A9rance%20au%20m%C3%A9dicament
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- tolérance 2, record 1, French, tol%C3%A9rance
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La tolérance au médicament est le besoin de prendre de plus fortes doses du médicament pour obtenir le même effet. Par exemple, avec le temps, une personne peut avoir besoin de plus fortes doses de morphine pour soulager la même douleur. Ce n'est pas la même chose que l'accoutumance. 3, record 1, French, - tol%C3%A9rance%20au%20m%C3%A9dicament
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Farmacología
Record 1, Main entry term, Spanish
- tolerancia a medicamentos
1, record 1, Spanish, tolerancia%20a%20medicamentos
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- tolerancia a fármacos 2, record 1, Spanish, tolerancia%20a%20f%C3%A1rmacos
correct, feminine noun
- tolerancia medicamentosa 1, record 1, Spanish, tolerancia%20medicamentosa
correct, feminine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Proceso de adaptación celular a una determinada sustancia farmacológica, de forma que son necesarias dosis cada vez mayores para producir los mismos efectos fisiológicos o psicológicos que se obtenían antes con dosis menores. 3, record 1, Spanish, - tolerancia%20a%20medicamentos
Record number: 1, Textual support number: 1 CONT
La tolerancia a medicamentos [es la] disminución progresiva de la sensibilidad de los seres humanos o los animales a los efectos de un fármaco, debido a su administración continuada. 1, record 1, Spanish, - tolerancia%20a%20medicamentos
Record number: 1, Textual support number: 1 OBS
Se debe diferenciar de fármacorresistencia, en la que el organismo, la enfermedad o un tejido no responden en la adecuada medida a la sustancia química o al fármaco. Debe diferenciarse también de la dosis máxima tolerada y del nivel sin efectos adversos observados. 1, record 1, Spanish, - tolerancia%20a%20medicamentos
Record 2 - internal organization data 2012-07-24
Record 2, English
Record 2, Subject field(s)
- Pharmacodynamics
Record 2, Main entry term, English
- therapeutic index
1, record 2, English, therapeutic%20index
correct
Record 2, Abbreviations, English
- T.I. 2, record 2, English, T%2EI%2E
correct
- TI 3, record 2, English, TI
correct
Record 2, Synonyms, English
- therapeutic ratio 4, record 2, English, therapeutic%20ratio
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The ratio of the LD 50 [lethal dose 50] to the ED 50 [effective dose 50]. 5, record 2, English, - therapeutic%20index
Record 2, French
Record 2, Domaine(s)
- Pharmacodynamie
Record 2, Main entry term, French
- index thérapeutique
1, record 2, French, index%20th%C3%A9rapeutique
correct, masculine noun
Record 2, Abbreviations, French
- IT 1, record 2, French, IT
correct, masculine noun
Record 2, Synonyms, French
- coefficient thérapeutique 2, record 2, French, coefficient%20th%C3%A9rapeutique
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
[...] l'index thérapeutique [...] s'exprime par: IT = DL 50/DE 50 [dose létale 50/dose efficace 50]. 3, record 2, French, - index%20th%C3%A9rapeutique
Record 2, Key term(s)
- indice thérapeutique
- indice C/T
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Farmacodinámica
Record 2, Main entry term, Spanish
- índice terapéutico
1, record 2, Spanish, %C3%ADndice%20terap%C3%A9utico
correct, masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Relación de la dosis máxima tolerada de un medicamento a la dosis mínima efectiva. 1, record 2, Spanish, - %C3%ADndice%20terap%C3%A9utico
Record 3 - internal organization data 2011-06-13
Record 3, English
Record 3, Subject field(s)
- Pharmacology
- Toxicology
Record 3, Main entry term, English
- therapeutic range
1, record 3, English, therapeutic%20range
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Blood concentrations of drugs are usually within therapeutic range. 1, record 3, English, - therapeutic%20range
Record 3, French
Record 3, Domaine(s)
- Pharmacologie
- Toxicologie
Record 3, Main entry term, French
- marge thérapeutique
1, record 3, French, marge%20th%C3%A9rapeutique
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Différence entre le taux toxique et le taux thérapeutique. 1, record 3, French, - marge%20th%C3%A9rapeutique
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Farmacología
- Toxicología
Record 3, Main entry term, Spanish
- margen terapéutico
1, record 3, Spanish, margen%20terap%C3%A9utico
correct, masculine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Relación entre la máxima dosis tolerada, o también tóxica, y la dosis terapéutica(dosis tóxica/dosis terapéutica). 2, record 3, Spanish, - margen%20terap%C3%A9utico
Record number: 3, Textual support number: 1 OBS
En farmacología clínica se emplea como equivalente de Índice. 2, record 3, Spanish, - margen%20terap%C3%A9utico
Record 4 - internal organization data 2010-11-10
Record 4, English
Record 4, Subject field(s)
- Environmental Studies and Analyses
- Toxicology
Record 4, Main entry term, English
- no-observed-adverse-effect level
1, record 4, English, no%2Dobserved%2Dadverse%2Deffect%20level
correct
Record 4, Abbreviations, English
- NOAEL 1, record 4, English, NOAEL
correct
Record 4, Synonyms, English
- no observed adverse effect level 2, record 4, English, no%20observed%20adverse%20effect%20level
correct
- NOAEL 2, record 4, English, NOAEL
correct
- NOAEL 2, record 4, English, NOAEL
- no-observed-adverse-effect-level 2, record 4, English, no%2Dobserved%2Dadverse%2Deffect%2Dlevel
correct
- NOAEL 2, record 4, English, NOAEL
correct
- NOAEL 2, record 4, English, NOAEL
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
The highest dose in a toxicity study that does not result in any observed adverse effect. 3, record 4, English, - no%2Dobserved%2Dadverse%2Deffect%20level
Record number: 4, 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 4, English, - no%2Dobserved%2Dadverse%2Deffect%20level
Record number: 4, Textual support number: 2 OBS
no-observed-adverse-effect level: term used by Environment Canada. 4, record 4, English, - no%2Dobserved%2Dadverse%2Deffect%20level
Record 4, French
Record 4, Domaine(s)
- Études et analyses environnementales
- Toxicologie
Record 4, Main entry term, French
- dose sans effet nocif observé
1, record 4, French, dose%20sans%20effet%20nocif%20observ%C3%A9
correct, feminine noun
Record 4, Abbreviations, French
- DSENO 1, record 4, French, DSENO
correct, feminine noun
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
La plus forte dose qui, dans une étude de toxicité, ne produit aucun effet nocif observé. 2, record 4, French, - dose%20sans%20effet%20nocif%20observ%C3%A9
Record number: 4, 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 4, French, - dose%20sans%20effet%20nocif%20observ%C3%A9
Record number: 4, Textual support number: 2 OBS
dose sans effet nocif observé : terme en usage à Environnement Canada. 3, record 4, French, - dose%20sans%20effet%20nocif%20observ%C3%A9
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Estudios y análisis del medio ambiente
- Toxicología
Record 4, Main entry term, Spanish
- nivel sin efecto adverso observado
1, record 4, Spanish, nivel%20sin%20efecto%20adverso%20observado
correct, masculine noun
Record 4, Abbreviations, Spanish
- NEANO 1, record 4, Spanish, NEANO
correct, masculine noun
Record 4, Synonyms, Spanish
- nivel sin efecto adverso observable 2, record 4, Spanish, nivel%20sin%20efecto%20adverso%20observable
correct, masculine noun
- nivel de efectos adversos no observables 3, record 4, Spanish, nivel%20de%20efectos%20adversos%20no%20observables
correct, masculine noun
- NEANO 3, record 4, Spanish, NEANO
correct, masculine noun
- NEANO 3, record 4, Spanish, NEANO
Record 4, Textual support, Spanish
Record number: 4, Textual support number: 1 DEF
Dosis máxima administrada que no produce efectos tóxicos. 1, record 4, Spanish, - nivel%20sin%20efecto%20adverso%20observado
Record number: 4, 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 4, Spanish, - nivel%20sin%20efecto%20adverso%20observado
Record 5 - internal organization data 2004-02-16
Record 5, English
Record 5, Subject field(s)
- Toxicology
- Environmental Studies and Analyses
Record 5, Main entry term, English
- no-effect level
1, record 5, English, no%2Deffect%20level
correct
Record 5, Abbreviations, English
- NEL 2, record 5, English, NEL
correct
Record 5, Synonyms, English
- no effect level 3, record 5, English, no%20effect%20level
correct
- no-toxic-effect level 4, record 5, English, no%2Dtoxic%2Deffect%20level
correct
- no-toxic effect level 3, record 5, English, no%2Dtoxic%20effect%20level
correct
- no toxicological effect level 3, record 5, English, no%20toxicological%20effect%20level
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A level corresponding to the quantity of a product which produces no harmful effect after a long period of administration (two years minimum). 2, record 5, English, - no%2Deffect%20level
Record number: 5, Textual support number: 1 OBS
See also "no-observed-effect level (NOEL)." 5, record 5, English, - no%2Deffect%20level
Record number: 5, Textual support number: 2 OBS
Compare with "maximum permissible (or tolerated) dose." 5, record 5, English, - no%2Deffect%20level
Record 5, French
Record 5, Domaine(s)
- Toxicologie
- Études et analyses environnementales
Record 5, Main entry term, French
- niveau sans effet
1, record 5, French, niveau%20sans%20effet
correct, see observation, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- concentration à effet nul 2, record 5, French, concentration%20%C3%A0%20effet%20nul
correct, feminine noun
- CEN 2, record 5, French, CEN
correct
- CEN 2, record 5, French, CEN
- dose à effet nul 3, record 5, French, dose%20%C3%A0%20effet%20nul
correct, feminine noun
- dose sans effet 4, record 5, French, dose%20sans%20effet
correct, see observation, feminine noun
- D.S.E. 5, record 5, French, D%2ES%2EE%2E
correct
- DSE 2, record 5, French, DSE
correct
- D.S.E. 5, record 5, French, D%2ES%2EE%2E
- dose inopérante 6, record 5, French, dose%20inop%C3%A9rante
feminine noun
- taux inopérant 7, record 5, French, taux%20inop%C3%A9rant
masculine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Une dose sans effet ou un niveau sans effet désigne la quantité maximale de produit qui, introduite pendant une longue période (minimum 2 ans) dans la ration alimentaire journalière, ne cause aucune altération, lésion d'organe ou trouble fonctionnel chez l'animal soumis à l'expérience. Cette dose est exprimée en milligrammes de substance par kilogramme d'animal. Pour l'homme, on la divise (D.S.E.) par le coefficient de sécurité 100 et on obtient la valeur de la dose journalière acceptable (DJA). 8, record 5, French, - niveau%20sans%20effet
Record number: 5, Textual support number: 2 CONT
L'évaluation toxicologique des additifs utilisés dans l'alimentation et l'établissement des doses journalières acceptables (DJA) ou apports quotidiens admissibles (AQA) se font sur la base d'études de toxicité à long terme sur plusieurs types d'animaux. On recherche la dose d'additif à effet nul, pour laquelle on ne décèle aucune action toxique et l'on choisit celle qui est la plus basse selon les différents types d'animaux. 3, record 5, French, - niveau%20sans%20effet
Record number: 5, Textual support number: 1 OBS
Les termes «niveau», «concentration» et «dose», (en anglais, respectivement, «level», «concentration» et «dose»), ne sont pas synonymes; du fait de leurs liens sémantiques, cependant, ils sont très souvent employés de manière interchangeable. Le choix de l'un ou de l'autre terme doit reposer sur l'aspect qu'on désire faire ressortir. 9, record 5, French, - niveau%20sans%20effet
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Toxicología
- Estudios y análisis del medio ambiente
Record 5, Main entry term, Spanish
- nivel sin efecto
1, record 5, Spanish, nivel%20sin%20efecto
correct, masculine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
Record 5, Textual support, Spanish
Record number: 5, Textual support number: 1 DEF
Máxima dosis de una sustancia que, bajo condiciones definidas de exposición, no produce cambios detectables en los organismos expuestos. 2, record 5, Spanish, - nivel%20sin%20efecto
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:


