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

(uncountable) A state of progression from one place to another.

(countable) A change of position with respect to time.

* Dr. H. More

This is the great wheel to which the clock owes its motion .

(physics) A change from one place to another.

* 1839 , Denison Olmsted, A Compendium of Astronomy Page 95

Secondly, When a body is once in motion' it will continue to move forever, unless something stops it. When a ball is struck on the surface of the earth, the friction of the earth and the resistance of the air soon stop its ' motion .

(countable) A parliamentary action to propose something.

The motion to amend is now open for discussion.

* Shakespeare

Yes, I agree, and thank you for your motion .

(obsolete) An entertainment or show, especially a puppet show.

* 1644 , (John Milton), Aeropagitica :

when God gave him reason, he gave him freedom to choose, for reason is but choosing; he had bin else a meer artificiall Adam'', such an ''Adam as he is in the motions .

(philosophy) from ; any change. Traditionally of four types: generation and corruption, alteration, augmentation and diminution, and change of place.

* 1662 , , Book II, A Collection of Several Philosophical Writings of Dr. Henry More, p. 53:

"I say, it is no uneven jot, to pass from the more faint and obscure examples of Spermatical'' life to the more considerable effects of ''general Motion'' in ''Minerals'', ''Metalls'', and sundry ''Meteors'', whose easie and rude shapes may have no need of any Principle of Life, or ''Spermatical form'' distinct from the ''Rest'' or ''Motion'' of the particles of the ''Matter ."

Movement of the mind, desires, or passions; mental act, or impulse to any action; internal activity.

* South

Let a good man obey every good motion rising in his heart, knowing that every such motion proceeds from God.

(legal) An application made to a court or judge orally in open court. Its object is to obtain an order or rule directing some act to be done in favor of the applicant.

(music) Change of pitch in successive sounds, whether in the same part or in groups of parts. (Conjunct motion'' is that by single degrees of the scale. ''Contrary motion'' is when parts move in opposite directions. ''Disjunct motion'' is motion by skips. ''Oblique motion'' is when one part is stationary while another moves. ''Similar'' or ''direct motion is when parts move in the same direction.)

* Grove

The independent motions of different parts sounding together constitute counterpoint.

(obsolete) A puppet, or puppet show.

* Beaumont and Fletcher

What motion' s this? the model of Nineveh?