noun Download 🔗Share Any of a specific group of organic compounds essential in small quantities for healthy human growth, metabolism, development, and body function; found in minute amounts in plant and animal foods or sometimes produced synthetically; deficiencies of specific vitamins produce specific disorders. Examples : "Eating fruits and vegetables provides essential vitamins that help keep us healthy and energetic. " medicine physiology body biochemistry food substance science biology Chat with AIVocabulary GamePractice Reading