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.
Complex Carbs Endure. Starch is the form of carbohydrate usually referred to as complex carbs. Onions and other plants store the sugar they need in the form of starches. These carbs are similar to simple sugar because they consist of molecules of sugar.otal Carbohydrates. One small raw onion, which equals about two large slices, has 6.5 grams of total carbohydrates. The recommended dietary allowance for healthy men and women is 130 grams of total carbohydrates daily, so you'll get 5 percent of your daily carbs from this portion.