different between circumnutation vs nutation

English

circum- +? nutation

circumnutation (countable and uncountable, plural circumnutations)

(botany) The successive bowing or bending in different directions of the growing tip of the stem of many plants, especially seen in climbing plants.

circumnutation in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

1610s, from Latin n?t?ti? (“nodding”), from n?t? (“I nod”). Compare mutation.

nutation (countable and uncountable, plural nutations)

(physics) A bobbing motion that accompanies the precession of a spinning rigid body.
A nodding motion (of the head etc.).
(astronomy) Any of several irregularities in the precession of the equinoxes caused by varying torque applied to the Earth by the Sun and the Moon.
(botany) The circular motion of the tip of a growing shoot.

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