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.
Best Answer: Water resistant means it can keep out water forms like rain and might be able to keep out water in a pool for a short period of time where water proof means it can withstand large amounts of water for long periods of time. Source(s): nxtgenius Â· 6 years ago.