Princeton's WordNet(4.60 / 5 votes)Rate this definition: 1  operation(noun) the state of being in effect or being operative. 2  operation(noun) a business especially one run on a large scale. 3  operation(noun) a planned activity involving many people performing various actions.
Tomatoes are a nutrient-dense food, meaning they are jam-packed with nutrients, but don't have a lot of calories. Lipids, carbs and protein are the three types of macronutrients your body breaks down for energy. The primary macronutrient in tomatoes is carbohydrates, although they do have trace amounts of fat and protein.
With this definition, a tomato is a fruit. Specifically, tomatoes are botanically classified as berries since they are simple fruits having seeds and pulp produced from a single ovary. Avocados, bananas, pumpkins, watermelons and persimmons join tomato in the berry category.f itâs sweet and is used in foods like pies, itâs a fruit. If itâs more on the savory side and is typically used as part of a non-dessert meal (i.e., breakfast, lunch or dinner) itâs considered a vegetable. Under this rule, tomato is a vegetable.