nollnivån
Nollnivån, also known as the zero level, is a concept used in various fields to denote a baseline or reference point. The term is derived from the Swedish word "noll" meaning zero, and "nivå" meaning level. In geography, nollnivån refers to the sea level, which is the average height of the ocean's surface. It serves as a reference point for measuring elevations and depths. In economics, nollnivån can refer to the break-even point, where total revenue equals total cost. In psychology, it might refer to a neutral or baseline emotional state. The concept of nollnivån is widely used in science, engineering, and everyday language to provide a common reference for comparison and measurement.