lethal dose

The dose of a substance or of radiation likely to cause death (sometimes suffixed with a number).

Japanese Meaning

致死量 / 致死用量 / 致死的な量

The toxicology report determined the lethal dose for humans could be lower than previously thought.

毒性学の報告は、人間の致死量が以前考えられていたよりも低い可能性があると結論付けた。

Sense（1）

The dose of a substance or of radiation likely to cause death (sometimes suffixed with a number).

A lethal dose 50 will cause the death of 50% of a sample of test animals.

lethal doses

（ plural ）

as LD

（ abbreviation ）