(astronomy) The sidereal day of a planet. (I.e., in the definition for "sidereal day", replace "Earth" by the given planet.)

plural of sidereal rotation period

A system of crop rotation in this order: potatoes, oats, peas, rye.

(geometry) A theorem which states that, in 3-dimensional space, any displacement of a rigid body such that some point on it remains fixed is equivalent to a single rotation about some axis that runs through said point.

(medicine) rotationplasty

The resultant magnetic field produced by coils symmetrically placed and supplied with polyphase electric current which is often used in electromechanical applications.