TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

CONCENTRATION LETALE [1 record]

Record 1 2004-03-04

English

Subject field(s)
  • Environmental Studies and Analyses
  • Toxicology
DEF

The concentration of a test material that causes death of a specified percentage of a population.

OBS

Usually expressed as the median or 50% level, LC50.

French

Domaine(s)
  • Études et analyses environnementales
  • Toxicologie
DEF

Concentration d'une substance qui, lorsque administrée à un groupe échantillon d'animaux d'expérimentation, cause la mort d'un pourcentage de ceux-ci.

OBS

Se rapporte très souvent à la concentration létale moyenne, ou CL 50, (en anglais «lethal concentration fifty»), soit à la quantité de matière qui cause la mort de 50 % du groupe ayant fait l'objet de l'essai.

PHR

Concentration létale 50, concentration létale moyenne, concentration létale médiane, concentration létale cumulée, concentration létale minimale, concentration létale moyenne cumulée.

Spanish

Campo(s) temático(s)
  • Estudios y análisis del medio ambiente
  • Toxicología
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