An electrochronograph is a device that is used to measure the time intervals between electrical events. Synonyms for the word electrochronograph include timer, stopwatch, chronometer, and timepiece. These words all refer to devices that measure time intervals, but they differ in their design and purpose. For example, a stopwatch is typically used for measuring short time intervals, such as the time it takes for a runner to complete a race, while a chronometer is more precise and is used for scientific experiments. A timepiece can refer to any device that is used to measure time, including analog and digital watches. Overall, there are many synonyms for the word electrochronograph, each with its own unique features and applications.