identifying the nature or cause of some phenomenon

powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons

powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons

powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons

powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons

powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons

a precise rule (or set of rules) specifying how to solve some problem

a precise rule (or set of rules) specifying how to solve some problem

a precise rule (or set of rules) specifying how to solve some problem

a precise rule (or set of rules) specifying how to solve some problem