(transitive) To imprison somebody, usually without trial.

(archaic) Internal.

A student or recent graduate who works in order to gain experience in their chosen field. / A medical student or recent graduate working in a hospital as a final part of medical training.

(intransitive) To work as an intern. Usually with little or no pay or other legal prerogatives of employment, for the purpose of furthering a program of education.

A person who is interned, forcibly or voluntarily.

plural of internalization

The doctrine that a particular mental phenomenon, such as motivation or justification, has an internal rather than external basis

plural of internalizer

One who, or that which, internalizes.

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