The dose amount of poisonous or toxic substance or dose of ionizing radiation required to kill 50% of the tested population.
Synonyms: LD50, Lethal Dose 50, Dose 50, Lethal
Instance information
comment
76; was see under TOXICOLOGY 1975 ,76(71); was see under TOXICOLOGY 1975 ,usually NIM; do not coordinate with /mortal in experimental studies
identifier
D007928