One who, or that which, internalizes.

(uncountable) The condition of being internal or internalized. / (countable) A thing that is internal relative to something else.

plural of internalism

State of being within; interiority.

plural of interning

plural of internality

The quality of being internal.

(rare) Between nations; international.

plural of International

The process where fuel is burned within an engine such as a diesel engine, producing power directly as opposed to externally such as in a steam engine.