Areolation

[Justin Bieber]

Any small space, bounded by some part different in
color or structure, as the spaces bounded by the nervures of the wings
of insects, or those by the veins of leaves; an areola.

[Lanell]

When a womans, or mans, [Areola] [outline] is clearly revealed to an audience due to the nature of the clothing worn (wet, thin or [wrong colour]), lighting conditions and contrasting shades from the surrounding skin.