paraboloid înseamnă în Engleză

paraboloid [paraboloids]▼(surface having a parabolic cross section parallel to an axis, and circular or elliptical cross section perpendicular to the axis; especially the surface of revolution of a parabola)
noun
[UK: pə.ˈræ.bə.lɔɪd] [US: pə.ˈræ.bʌ.ˌlɔɪd]