nutation /nu·ta·tion/ (noo-ta´shun) the act of nodding, especially involuntary nodding.
nutation
nutation,
nu·ta·tion (n -t  sh n)n. The act of nodding the head, especially involuntarily. |
nutation
[no̅o̅tā′shən]
Etymology: L, nutare, to nod
the act of nodding, especially involuntary nodding as occurs in some neurologic disorders.
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.
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