speilingsakser
Speilingsakser is a Norwegian compound term that literally means mirror axes. It is not a widely standardized term in Norwegian mathematics or science, and its use tends to appear mainly as an informal or descriptive label rather than as a canonical technical term. In practice, the concept most closely associated with the words is the axis of symmetry—lines along which a figure can be reflected to yield a mirrored image.
The word combines speiling (reflection or mirroring) with akser (axes or lines). Because axis of symmetry is
Relation to geometry and applications
In geometry, an axis of symmetry is a line that maps a figure onto itself under reflection.
Axis of symmetry, Mirror line, Symmetry in geometry.
There is no standardized Norwegian dictionary entry for speilingsakser; standard references use axis of symmetry or