P3A1R1A1B3O1L1A1
12 points
PARABOLA is validvalid
a conic section [n PARABOLAE, PARABOLAS]
(Greek) a type of curve, one of the conic sections [n PARABOLAE or PARABOLAS]
a conic section [n PARABOLAE, PARABOLAS]
(Greek) a type of curve, one of the conic sections [n PARABOLAE or PARABOLAS]