Spanish omelette 16,000 eggs, of oil, of onions, and of salt. Spanish omelette Spanish omelette is the English name for a traditional dish from Spanish cuisine called tortilla española, tortilla de patatas or tortilla de papas. It is an omelette made with eggs and potatoes, sometimes also with onion and/or chives or garlic; fried in oil and often served cold as an appetizer. It is part of the cuisine of Spain. In Spanish "tortilla" is the diminutive form of "torta", cake; this dish is called "tortilla de patatas" or "tortilla española" to distinguish it from a plain omelette ("tortilla francesa", literally ""French
Active ingredient Active ingredient An active ingredient (AI) is the ingredient in a pharmaceutical drug or pesticide that is biologically active. The similar terms active pharmaceutical ingredient (API) and bulk active are also used in medicine, and the term active substance may be used for natural products. Some medication products may contain more than one active ingredient. The traditional word for the API is pharmacon or pharmakon (from , adapted from pharmacos) which originally denoted a magical substance or drug. The terms active constituent or active principle are often chosen when referring to the active substance of interest in a plant (such