1 702.12b A permanent with indestructible canât be destroyed. 2  Such permanents arenât destroyed by lethal damage, and they ignore the state-based action that checks for lethal damage (see rule 704.5g). 3  702.12c Multiple instances of indestructible on the same permanent are redundant.
lethal dose. n. (Pharmacology) the amount of a drug or other agent that if administered to an animal or human will prove fatal.
divided dose fractionated dose. effective dose (ED) that quantity of a drug that will produce the effects for which it is administered. See also median effective dose. erythema dose that amount of radiation that, when applied to the skin, causes erythema (temporary reddening). fatal dose lethal dose.