Multi jets are commonly known as meters designed to measure water consumption. They are used in various settings such as households, apartments, or commercial buildings. However, there are numerous synonyms for the term "multi jets" that people might not be familiar with. One of the synonyms is the "pulse output meter," which measures water consumption based on the number of pulses given per unit of water consumed. Another synonym is the "positive displacement meter," which uses a chamber with a fixed volume to measure water consumption. A third synonym is the "ultrasonic meter," which uses sound waves to determine water consumption. Knowing these synonyms will help in understanding the differences between various types of water meters.