MEDIAN LETHAL DOSE


Meaning of MEDIAN LETHAL DOSE in English

the quantity of a lethal substance, as a poison or pathogen, or of ionizing radiation that will kill 50 percent of the organisms subjected to it in a specified time period. Symbol: LD 50

[ 1945-50 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .