| SPH | the trigonometry of spherical triangles |
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| SPH | in a spherical manner |
| SPH | the roundness of a 3-dimensional object |
| SPH | the roundness of a 3-dimensional object |
| SPH | an abnormal spherical red blood cell |
| SPH | a shape that is generated by rotating an ellipse around one of its axes |
| SPH | a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone |
| SPH | in the form of an ellipse |
| SPH | a measuring instrument for measuring the curvature of a surface |
| SPH | a small sphere |
| SPH | a ring of muscle that contracts to close an opening |
| SPH | the sphincter muscle of the anus |