(Ã´r'dn-Ä­t) The distance of a point from the x-axis on a graph in the Cartesian coordinate system. It is measured parallel to the y-axis. For example, a point having coordinates (2,3) has 3 as its ordinate. Compare abscissa.
How well s waves travel depends on the medium's shear modulus, or rigidity. Liquids and gases have no rigidity so they do not allow s waves to propagate(travel). P waves depenâ¦d on the medium's bulk modulus, or compressibility, so they propagate in liquids and gases, as well as solids, since they are both compressible. 6 people found this useful.
Other waves such as surface waves and body waves reflecting off the surface are recorded in the shadow region, but the P-wave dies out near 100Â°. Since the outer core is fluid, and S-waves cannot travel through a fluid, the S-wave shadow zone is even larger, extending from about 100Â° to 180Â°.ther waves such as surface waves and body waves reflecting off the surface are recorded in the shadow region, but the P-wave dies out near 100Â°. Since the outer core is fluid, and S-waves cannot travel through a fluid, the S-wave shadow zone is even larger, extending from about 100Â° to 180Â°.