Noun

(en noun)

(chiefly, uncountable) The act of turning around a centre or an axis.

*{{quote-magazine, date=2013-03

, author=Frank Fish, George Lauder , title=Not Just Going with the Flow , volume=101, issue=2, page=114 , magazine= citation , passage=An extreme version of vorticity is a vortex . The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.}}

The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.

A single complete cycle around a centre or an axis.

Earth's moon completes a rotation every twenty-seven days or so.

A regular variation in a sequence.

crop rotation

The medical resident finished a two-week rotation in pediatrics and began one in orthopaedics.

(mathematics) An operation that a continuous isometry deformation that fixes at least one point can result in.

The function mapping (''x'',''y'') to (''&

x2212;y'',''x'') is a rotation .

(baseball) The set of (soplink) of a team.

(aviation) The step during takeoff when the pilot commands the vehicle to lift the nose wheel off the ground during the takeoff roll.

Noun

(en noun)

The act of transforming or the state of being transformed.

A marked change in appearance or character, especially one for the better.

(mathematics) The replacement of the variables in an algebraic expression by their values in terms of another set of variables; a mapping of one space onto another or onto itself; a function that changes the position or direction of the axes of a coordinate system.

(linguistics) A rule that systematically converts one syntactic form into another; a sentence derived by such a rule.

(genetics) The alteration of a bacterial cell caused by the transfer of DNA from another, especially if pathogenic.

(politics, South Africa) Ideologically driven government policy - becoming more conformant with socialist and African nationalist groupthink.