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.
3. Bulletproof. Bulletproof is a means of keeping files from being deleted, like when you go to a website to download a link and find that the link is dead. When you have a Bulletproof file what you have is a file that cannot be deleted by anyone, or any government because it is now a torrent.ulletproof is a means of keeping files from being deleted, like when you go to a website to download a link and find that the link is dead.