See Also: nutation(dictionary)
nutation(medicine)
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medicine(dictionary)
medicine(2)(dictionary)
medicine(1)(dictionary)
medicine man(encyclopedia)
medicine(encyclopedia)

nutation (medicine)


nutation


1. The act of nodding. "So from the midmost the nutation spreads, Round and more round, o'er all the sea of heads." (Pope)

2. <astronomy> A very small libratory motion of the earth's axis, by which its inclination to the plane of the ecliptic is constantly varying by a small amount.

3. <botany> The motion of a flower in following the apparent movement of the sun, from the east in the morning to the west in the evening. Circumnutation.

Origin: L. Nutatio a nodding, fr. Nutare to nod: cf. F. Nutation.

Source: Websters Dictionary