LD
زبان مبدأ: انگلیسی
ترجمه به فارسی
- واژهنامه · Merriam-Webster Collegiate Dictionary LD n. Function: abbreviation 1 laser disc 2 learning disabled; learning disability 3 lethal dose 4 line of departure]]> LD 50 Pronunciation: ˌ el- ˌ dē- ' fif-tē Function: 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]]>