Definition: Subiodide is a type of chemical compound that is used in various industrial processes. It is composed of two elements and one hydrogen atom, and it is known for its ability to produce a high-pressure gas. Subiodides are commonly used in the production of certain types of plastics, such as polyethylene terephthalate (PET), which is used in the manufacture of food packaging. The term "subiodide" is also used to refer to the process of making and using these