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

rotational period

(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.

plural of Faraday rotation

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

plural of rotator cuff

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

Alternative spelling of rotational molding

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

(forestry) The time allowed to elapse between successive occurrences of a stand of trees being logged. / Used other than figuratively or idiomatically: see rotation, time.