an entity that has physical existence

any state or process known through the senses rather than by intuition or reasoning

(medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning

a process whereby voters are moved toward nonpartisanship thus weakening the structure of political parties

a process of becoming smaller or shorter

the process of declining from a higher to a lower level of effective power or vitality or essential quality