expansioner
Expansioner is not a standard term in English. In technical contexts, a related word, expander, or more specific terms such as expansion device or expansion joint, is normally used. When heard, expansioner generally refers to a component or system involved in producing, managing, or accommodating expansion in a controlled way.
Thermal and energy systems: An expander is a device that allows a pressurized fluid to expand, converting
Refrigeration and HVAC: Expansion devices such as expansion valves, capillary tubes, or electronic expansion valves regulate
Structural and civil engineering: In building and piping systems, expansion joints absorb thermal expansion and contraction
See also: expander, expansion valve, expansion joint, turbine expander, expansion device.