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.
Waterproof vs Water Resistant vs Water Repellent. What's the difference? âWaterproof,â âwater-repellent,â and â water-resistantâare common labels printed on many products and devices. However, most consumers wouldnât be able to tell you the difference between the three, naturally assuming that they all suggest water impenetrability.