The bridge was built in two parabolic shapes.
In that case, the free surface of the water will assume a parabolic shape.
To avoid the problem of a structurally unstable seam, the engineers proposed a synthetic back with a parabolic shape.
By mid-1966, they realized that the parabolic shape produced a desirable tone with greater volume than the conventional dreadnought.
The parabolic shape of a dish reflects the signal to the dish's focal point.
A Winston cone is a light-collection device with a parabolic shape and a reflective inner surface.
The head has a long, narrow parabolic shape from above.
On a signal, the ribs should have extended up and out, opening the metallic-mesh antenna surface to its full parabolic shape.
Above the X-brace joint, braces usually have a parabolic shape.
Other possibilities for inducing a parabolic shape in the reflecting liquid include:
