hinterwand

Hinterwand is a German noun meaning the wall at the rear side of a space or structure. The term is formed from hinter ("behind") and wand ("wall"). It is used in architectural drawings, interior design, and other technical contexts to denote the back boundary opposite the Vorderwand.

In architecture and construction, the hinterwand designates the rear wall of a room, a cabinet, or a building section; it can influence insulation, wiring routes, and acoustic performance. In interior design, materials and treatments on the hinterwand may differ from the front to create depth or conceal utilities.

In stagecraft and theater, the hinterwand refers to the back wall behind the performance space, where scenery, backdrops, or acoustic panels may be mounted. In acoustics, the rear wall's absorptive or reflective properties affect reverberation and sound localization.

In speleology and cave surveying, the term describes the far wall of a chamber, a key reference point for mapping passages, measuring dimensions, and documenting features.

Other contexts include cabinetry or equipment housings where the back panel is referred to as the hinterwand. Related terms include Vorderwand (front wall) and Seitenwand (side wall).