Essential nutrients refers to classes of nutrients found in food. Essential nutrients are simply those that are vital for the normal growth, maintenance and development of the body. There might be a slight confusion about essential nutrients that must be addressed.
Definition of waterproof for English Language Learners. : 1  designed to prevent water from entering or passing through. : 2  designed so that water alone will not remove it.
1 : one that wades. 2 : shorebird; also : wading bird. 3 waders plural : high waterproof boots or a one-piece waterproof garment usually consisting of pants with attached boots that are used for wading (as when fishing)