Having or containing the centre of something.
Being in the centre.
Exerting its action towards the peripheral organs.
Being very important, or key to something.
centre
Having merely the outward appearance of something.
Relating to or denoting a medicine or similar substance for use on the outside of the body.
Having existence independent of the mind.
Situated near or toward the surface of the body.
For or concerning students registered with and taking the examinations of a university but not resident there.
Not contained in the main computer.
Outside of something; on the exterior.
Not intrinsic or essential.
Provided by something or someone outside of the entity (object, group, company etc.) considered.
Using a disk or tape drive rather than the main memory.
Relating to or connected with foreign nations or institutions.
Outward appearance.
Inessential or superficial features.
A variable that is defined in the source code but whose value comes from some external source.
The exterior; outward features or appearances.