nutation


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nutation

 [noo-ta´shun]
the act of nodding, especially involuntary nodding.

nu·ta·tion

(nū-tā'shŭn),
The act of nodding, especially involuntary nodding.
[L. annuo, to nod]

nutation

/nu·ta·tion/ (noo-ta´shun) the act of nodding, especially involuntary nodding.

nutation

[no̅o̅tā′shən]
Etymology: L, nutare, to nod
the act of nodding, especially involuntary nodding as occurs in some neurological disorders.

nu·ta·tion

(nū-tā'shŭn)
chiropractic The backward rotation of the ilium on the sacrum. usage note This concept is not shared by some medical practitioners.
[L. annuo, to nod]

nutation

Nodding of the head, usually involuntary.

nutation

the continuous movement of the growing part of a plant during growth which usually follows a spiral course, as in the stem of a convolvulus.

nutation

the result of the angular momentum and angular velocity vectors of a body or object being in different directions, leading to a rotation about a third axis.

nutation

involuntary nodding (see pelvic nutation)

nutation,

n leaning forward, the anterior movement of the sacrum around a transverse axis relative to the hip bones.

nutation

the act of nodding, especially involuntary nodding.
References in periodicals archive ?
Thus we find that the frequency for nutation is the same as the frequency for the rotor, 500 Hz.
The major solar disturbances cause deviation from the Keplerian orbit of the Moon motion and, at the same time, deviations in the Earth axis in the short-period nutation (31.
The spacecraft's rocket engines and nutation control thrusters were designed, tested and manufactured at Aerojet's Redmond, Wash.
The term precession describes the long-term trend of the orientation of the axis of spin, while nutation is the name given to shorter-term periodic variations, which are the prime focus of the present project.
The displacement meters must be nutating disc meters, which are positive in action in that the discs displace or carry over a fixed quantity of water for each nutation of the disc when operated under positive pressure.
Implementing agency : Daegu Daegu Metropolitan Office of Education nutation Southern Elementary School
Contract awarded for 2015 forest walk nutation long-secheon 0 won Custodial Services