(agriculture) A farming practice in which the same land is used to grow different crops in successive seasons or years (when once the land would have been left fallow); used to prevent erosion and increase fertility.

(physics) The rotation of the plane of polarization of plane polarized light as it passes through a chiral medium

plural of rotator cuff

A set of four smaller muscles in the shoulder responsible for rotating the humerus (upper arm bone).

A form of molding/moulding in which molten plastic is placed inside a rotating mold/mould.

plural of specific rotation

Synonym of Norfolk crop rotation

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 crop rotation

plural of rotational axis