body in black

Etymology
Coined in reference to.
 * . From the fact that carbon fibre reinforced composites are typically black in colour, and not whitish (bare wood, bare metal, gray primer coat)
 * From being the skin of the vehicle, opposite to the, the skeleton of the bodycabin, as black is opposite to white.

Noun

 * 1)  A  composed of  composites.
 * 2)  A body in white made from non-metallic materials
 * 3)  A fully-proportioned full-sized skin shell of the body design prototype
 * 4)  The skin shell of a motor vehicle, prior to its assembly onto the body