The word "pulse-jet" is commonly used to refer to a type of jet engine that operates on the principle of periodic combustion. However, there are several synonyms for this term that can be used to describe this type of engine. For instance, it can be referred to as a "pulse detonation engine" or a "valved pulse-jet engine". Other related terms include "continuous detonation engine", "stochastic combustion engine", and "wave detonation engine". Whether you are an engineer, a researcher, or simply curious about the technology, having a broad understanding of the various synonyms for "pulse-jet" can be helpful in your work or studies.