P3A1R1A1B3O1L1O1I1D2S1
16 points
PARABOLOIDS is validvalid
PARABOLOID, [n]
PARABOLOID, a surface or solid generated by the rotation of a parabola about its axis [n]
PARABOLOID, [n]
PARABOLOID, a surface or solid generated by the rotation of a parabola about its axis [n]