lethal dose
noun
the amount of a drug or other agent that if administered to an animal or human will prove fatal
Abbreviation: LD See also median lethal dose (def. 1)
Words nearby lethal dose
letchworth,
letdown,
letha,
lethal,
lethal chamber,
lethal dose,
lethal factor,
lethal gene,
lethal midline granuloma,
lethal mutation,
lethargic
Medical definitions for lethal dose
lethal dose
n.
The dose of a chemical or biological preparation that is likely to cause death.