The Definition of Food

Food is a substance consumed by humans, animals, and other organisms for nutritional support. It is usually of plant, animal, or fungal origin and provides essential nutrients. A person’s diet should be rich in a variety of foods to ensure a healthy and happy life. However, there are a few types of food that are not considered food, such as junk foods and beverages that are not necessary for proper health. To better understand the benefits of food, let’s look at the definition of “food.”


Food is a substance consumed for nutrition. It can be of plant, animal, or fungal origin, and is ingested and assimilated by an organism’s cells. The nutrients in food provide the energy an organism needs to live and grow, while other foods contribute to an organism’s health and well-being. Different species have different feeding habits that satisfy their unique metabolisms, and are designed to fill a particular ecological niche.

Food is a solid or liquid that provides nourishment to an organism. The definition of food is vast, but the purpose of it is the same: to provide energy, to maintain a healthy life. In general, plant-based foods, such as fruit and vegetables, provide energy and nutrients, while animal-based foods include meat, dairy products, and eggs. This list goes on! The definition of food may surprise you, so let’s take a closer look.