That's almost double what most of us actually consume. Potassium is found in a wide range of foods, especially fruits and vegetables such as leafy greens, tomatoes, cucumbers, zucchini, eggplant, pumpkins, potatoes, carrots and beans. It's also found in dairy foods, meat, poultry, fish and nuts.
Definition of rack. 1  1 : a framework for holding fodder for livestock. 2  2 : an instrument of torture on which a body is stretched. 3  3a (1) : a cause of anguish or pain (2) : acute sufferingb : the action of straining or wrenching.  4 : a framework, stand, or grating on or in which articles are placed.
nerve-racking adjective. âº Something that is nerve-racking is âdifficult to do and âcauses a lot of âworry for the âperson âinvolved in it: My âwedding was the most nerve-racking thing I've âever âexperienced.erve-racking adjective [not gradable]. âº âdifficult to do and causing a lot of âworry or âanxiety: I had to go out and âfind a new âjob, which is always a nerve-racking âexperience.