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.
Here are just a few facts about carbohydrates that may clear things up. Complex carbohydrates are best: Carbohydrates are an important part of a healthy diet and provide the body with the fuel it needs for physical activity and for proper organ function.There are two types of carbohydratesâcomplex and simple.ere are just a few facts about carbohydrates that may clear things up. Complex carbohydrates are best: Carbohydrates are an important part of a healthy diet and provide the body with the fuel it needs for physical activity and for proper organ function.