Definitions for "Steepness"
Height; loftiness.
Usually defined as the ratio of wave height to wavelength, but occasionally defined as the amplitude multiplied by the wavenumber of the wave. See wave steepness.
Quality or state of being steep; precipitous declivity; as, the steepnessof a hill or a roof.
Keywords:  slope, possessed, property
the property possessed by a slope that is very steep