TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
TENEUR LETALE 50 P 100 [1 record]
Record 1 - internal organization data 2008-05-16
Record 1, English
Record 1, Subject field(s)
- Environmental Studies and Analyses
- Toxicology
- Occupational Health and Safety
Record 1, Main entry term, English
- lethal concentration 50
1, record 1, English, lethal%20concentration%2050
correct
Record 1, Abbreviations, English
- LC50 2, record 1, English, LC50
correct, see observation, standardized
Record 1, Synonyms, English
- lethal concentration 50% 3, record 1, English, lethal%20concentration%2050%25
correct
- median lethal concentration 4, record 1, English, median%20lethal%20concentration
correct, see observation
- lethal concentration fifty 5, record 1, English, lethal%20concentration%20fifty
less frequent
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The concentration of a material in air that on the basis of laboratory tests (respiratory route) is expected to kill 50% of a group of test animals when administered as a single exposure (usually 1 or 4 hours). 3, record 1, English, - lethal%20concentration%2050
Record number: 1, Textual support number: 1 OBS
The LC50 is expressed as parts of material per million parts of air, by volume (ppm) for gases and vapours, as micrograms of material per litre of air (mg/L), or milligrams of material per cubic metre of air (mg/m³) for dusts and mists, as well as for gases and vapours. 3, record 1, English, - lethal%20concentration%2050
Record number: 1, Textual support number: 2 OBS
LC50: abbreviation standardized by ISO. 6, record 1, English, - lethal%20concentration%2050
Record 1, French
Record 1, Domaine(s)
- Études et analyses environnementales
- Toxicologie
- Santé et sécurité au travail
Record 1, Main entry term, French
- concentration létale 50
1, record 1, French, concentration%20l%C3%A9tale%2050
correct, feminine noun
Record 1, Abbreviations, French
- CL50 2, record 1, French, CL50
correct, see observation
- CL 50 1, record 1, French, CL%2050
correct, see observation
- LC50 3, record 1, French, LC50
avoid
Record 1, Synonyms, French
- concentration létale 50 p. 100 4, record 1, French, concentration%20l%C3%A9tale%2050%20p%2E%20100
correct, feminine noun
- concentration létale 50 % 1, record 1, French, concentration%20l%C3%A9tale%2050%20%25
correct, feminine noun
- concentration létale moyenne 1, record 1, French, concentration%20l%C3%A9tale%20moyenne
correct, feminine noun
- concentration létale médiane 5, record 1, French, concentration%20l%C3%A9tale%20m%C3%A9diane
correct, see observation, feminine noun
- teneur létale 50 p. 100 4, record 1, French, teneur%20l%C3%A9tale%2050%20p%2E%20100
see observation, feminine noun, less frequent
- TL 50 4, record 1, French, TL%2050
see observation, less frequent
- TL 50 4, record 1, French, TL%2050
- teneur létale moyenne 4, record 1, French, teneur%20l%C3%A9tale%20moyenne
see observation, feminine noun, less frequent
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
[...] quantité d'une matière sous forme de vapeur, exprimée en millilitres par mètre cube d'air, [ou] sous forme de poussière ou de brouillard, exprimée en milligrammes par litre d'air et mesurée à la pression atmosphérique normale [...] qui, lorsque administrée par inhalation continue à un groupe échantillon d'au moins 10 jeunes rats adultes albinos, mâles et femelles, [...] durant une heure [...] ou durant quatre heures, cause la mort de 50 pour cent du groupe dans les 14 jours [...] 6, record 1, French, - concentration%20l%C3%A9tale%2050
Record number: 1, Textual support number: 1 OBS
CL50 : Lorsqu'il n'y a pas d'espace entre le chiffre 50 et l'abréviation, ce chiffre se place la plupart du temps en indice. 7, record 1, French, - concentration%20l%C3%A9tale%2050
Record number: 1, Textual support number: 2 OBS
teneur létale 50 p. 100; teneur létale moyenne : Dans les «Enviroguides» publiés par Environnement Canada (en anglais cette collection est appelée «Envirotips»), le terme «teneur» a été choisi de préférence à «concentration». 7, record 1, French, - concentration%20l%C3%A9tale%2050
Record number: 1, Textual support number: 3 OBS
concentration létale médiane : La norme ISO définit « lethal concentration»/«concentration létale» au sens de «median lethal concentration»/«concentration létale médiane»; la concentration létale médiane est l'expression la plus courante de la concentration létale, mais elle n'en demeure pas moins un spécifique. 8, record 1, French, - concentration%20l%C3%A9tale%2050
Record number: 1, Textual support number: 4 OBS
LC50 : abréviation normalisée par l'ISO. 8, record 1, French, - concentration%20l%C3%A9tale%2050
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Estudios y análisis del medio ambiente
- Toxicología
- Salud y seguridad en el trabajo
Record 1, Main entry term, Spanish
- concentración letal media
1, record 1, Spanish, concentraci%C3%B3n%20letal%20media
correct, feminine noun
Record 1, Abbreviations, Spanish
- CL50 2, record 1, Spanish, CL50
correct, feminine noun
Record 1, Synonyms, Spanish
- concentración letal 50 3, record 1, Spanish, concentraci%C3%B3n%20letal%2050
correct, feminine noun
- LC 50 3, record 1, Spanish, LC%2050
correct, feminine noun
- concentración letal mediana 3, record 1, Spanish, concentraci%C3%B3n%20letal%20mediana
feminine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Concentración, calculada estadísticamente, de una sustancia en el medio, que se espera que mate al 50% de los organismos de una población bajo un conjunto de condiciones definidas. 2, record 1, Spanish, - concentraci%C3%B3n%20letal%20media
Record number: 1, Textual support number: 1 CONT
Sin embargo, se debe tener en cuenta que una definición más exacta requiere la utilización de límites cuantitativos de contenido de sustancias tóxicas o el uso de definiciones que establecen LC50 (concentración letal media que mata al 50% de los organismos de laboratorio) tales como las que se usan en Estados Unidos (Environmental Protection Agency, 1980) o en el Estado de Sao Paulo, Brasil (CETESB, 1985). 4, record 1, Spanish, - concentraci%C3%B3n%20letal%20media
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