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.
a small pool of water, as of rainwater on the ground. 2. a small pool of any liquid. 3. clay or the like mixed with water and tempered, used as a waterproof lining for the walls of canals, ditches, etc. verb (used with object), puddled, puddling. 4. to mark or scatter with puddles.