The spin axis of a freely rotating body. In the case of the Earth, it differs from the figure axis by a few meters. This difference being a partial cause of the Earth's wobble.

plural of rotational axis

The practice of having passengers eat in several different restaurants during a cruise.

(geometry) The property a shape has when it looks the same after some rotation by a partial turn.

plural of rotational symmetry

Alternative spelling of rotational molding

(of an astronomic object) The time taken to rotate about its axis relative to the background stars.

plural of rotational period

plural of rotational energy

plural of rotational molding