LD50


Meaning of LD50 in English

transcription, транскрипция: [ ˌel-ˌdē-ˈfif-tē ]

noun

Etymology: l ethal d ose

Date: 1942

: the amount of a toxic agent (as a poison, virus, or radiation) that is sufficient to kill 50 percent of a population of animals usually within a certain time

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.