rotation

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Related to axis of rotation: Instantaneous axis of rotation

rotation

 [ro-ta´shun]
1. the process of turning around an axis.
2. in obstetrics, the turning of the fetal head (or presenting part) for proper orientation to the pelvic axis. It should occur naturally, but if it does not it must be accomplished manually or instrumentally by the obstetrician or manually by the nurse-midwife.
3. a clinical assignment for students in a specific clinical area.
4. in dentistry, the turning of a malturned tooth into its proper position.
pelvic rotation movement of the pelvis around an imaginary axis.
site rotation the selection of sequential injection locations for a patient receiving multiple injections. A chart is frequently utilized to guide the nurse in rotating sites so that the same location is not used repeatedly, which would lead to tissue damage and irregular absorption of drugs.

ro·ta·tion

(rō-tā'shŭn),
1. Turning or movement of a body around its axis.
2. A recurrence in regular order of certain events, such as the symptoms of a periodic disease.
3. In medical education, a period of time on a particular service or specialty.
[L. rotatio, fr. roto, pp. rotatus, to revolve, rotate]

rotation

Movement around an axis Graduate education A period of time during which a medical student, or a physician in an early period of his training works in a particular service. See Audition rotation, Clinical rotation, Extern, Intern Obstetrics The turning of a fetus around its long axis such that the presenting part changes. See External rotation, Internal rotation, Limb rotation.

ro·ta·tion

(rō-tā'shŭn)
1. Turning or movement around an axis.
2. A recurrence in regular order of certain events, such as the symptoms of a periodic disease.
3. In medical education and other health education progams, a period of time dedicated to a particular service or specialty.
4. Practice of changing hours worked periodically; shift work.
[L. rotatio, fr. roto, pp. rotatus, to revolve, rotate]

ro·ta·tion

(rō-tā'shŭn)
Turning or movement of a body around its axis.
[L. rotatio, fr. roto, pp. rotatus, to revolve, rotate]
References in periodicals archive ?
Another way of challenging students' thinking is by changing the axis of rotation and predicting if the volume would change or if it would remain the same.
Here, we specify the maximum tilt angle of the object around an axis of rotation [r.sub.i], [r.sub.i+1], as shown in Figure 6.
Counter the ball so that your spine is away from the axis of rotation.
In Figure 1, the mirror is a planar ellipse, mounted at 45[degrees] with respect to a horizontal plane orthogonal to the axis of rotation A-A'.
With some of my scopes I add a second spring, offset from the side bearing's axis of rotation, as shown in the photo on the facing page.
(Tape them together so that the narrow edges face forward.) Next, focus on axis of rotation. Spin the two balloons with your hands and ask, Why do they spin so easily?
The low profile (LP) unit provides high payload capacity and is for applications where the axis of rotation is parallel to gravity.
In their model, undulating shorelines are a consequence of a phenomenon that astronomers call true polar wander, in which Mars' axis of rotation slowly drifts in direction.
where [omega] is the frequency of the initial bar rotation; [s.sup.-1]; r is the distance from axis of rotation to center of the drop gravity, m.
"But we believe that the lakes weren't permanent features" It seems they periodically dried out over a period of 100 years or so as the result of the Earth's slow wobble around its axis of rotation. "We have evidence that the lakes would come and go very quickly.
Offset axis of rotation causes a complex pattern of particle movement within the container for an accurate and efficient blend.
Anyone not directly involved in the wind turbine industry might be forgiven for thinking that all wind turbines face into the wind, with a horizontal axis of rotation. But there is another, less familiar, type of wind turbine, with a vertical axis.