A person affiliated with an institution in a lesser capacity, for example, as a non-resident or as a part-time affiliate. / A day-scholar. / Outward form or part; exterior.

(obsolete, rare) External; outward; not inherent

(programming) In the C and C++ programming languages, a variable that can be separately declared in many places, all of them referring to the same variable.

plural of externment

(India) Exile; banishment, as a sentence for crime.

The condition of being external; outwardness

(economics) An externality arising from network effects.

A signal (stimulus) that originates from outside an organism.

plural of external ear

(literary theory) A conflict that is between a character and an external force, such as another character.