the act of rotating; a turning around as on an axis.
the movement or path of the earth or a heavenly body turning on its axis.
one complete turn of such a body.
regularly recurring succession, as of officials.
Agriculture. crop rotation.
an operation that rotates a geometric figure about a fixed point.
curl (def 14).
Pool. a game in which the balls are played in order by number.
Baseball. pitching rotation.
the act of rotating; rotary motion
a regular cycle of events in a set order or sequence
a planned sequence of cropping according to which the crops grown in successive seasons on the same land are varied so as to make a balanced demand on its resources of fertility
a circular motion of a configuration about a given point or line, without a change in shape
a transformation in which the coordinate axes are rotated by a fixed angle about the origin
another name for curl (sense 11) Abbreviation (for sense 4c) rot
the spinning motion of a body, such as a planet, about an internal axis Compare revolution (sense 5a)
one complete turn in such motion
rotation ro·ta·tion (rō-tā’shən)
The act or process of turning around a center or an axis.
Regular and uniform variation in a sequence or series, as in the recurrence of symptoms of a disease.
The motion of an object around an internal axis.
A single complete cycle of such motion. See Note at revolution.
A transformation of a coordinate system in which the new axes have a specified angular displacement from their original position while the origin remains fixed.
noun 1. a method for molding hollow plastic objects by placing finely divided particles in a hollow mold that is rotated about two axes, exposing it to heat and then to cold.
- Rotational nystagmus
rotational nystagmus ro·ta·tion·al nystagmus (rō-tā’shə-nəl) n. A jerky nystagmus arising from stimulation of the labyrinth of the ear by rotation of the head around any axis and induced by change of motion.
noun, Physics. 1. the quantum number that distinguishes the angular momentum states associated with the rotational motion of a molecule.
noun, Crystallography. 1. an imaginary line through a crystal about which the crystal may be rotated a specified number of degrees and be brought back to its original position. rotation of axes [ak-seez] /ˈæk siz/ noun, Mathematics. 1. a process of replacing the axes in a Cartesian coordinate system with a new set of axes […]