A barostat is a device used to control or regulate the pressure in certain equipment or systems. However, there are several other synonyms that can be used to describe this type of device. Some of these include pressure regulator, pressure controller, pressure stabilizer, pressure valve, and pressure gauge. Each of these terms can be used interchangeably to refer to the same kind of technology that adjusts the pressure within a given environment. Whether you are maintaining pressure within a laboratory or industrial setting, there are a variety of synonyms that can be used to describe this important piece of equipment.