Definition - What does Immersion mean?
Immersion is the act of submerging a person or an object entirely into a liquid. It can mean to dip or to sink something in liquid, as well. Immersion is derived from the Latin word meaning to plunge.
Safeopedia explains Immersion
Immersion hinges on the idea of complete coverage. The term can be used to describe both physical as well as metaphorical immersion, or to immersion in an environment. Regarding physical elements, immersion typically refers to the process of covering an object, such as painting it, or dipping products in other liquids.