circumnutation


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Related to circumnutation: polycotyledon

circumnutation

(ˌsɜkəmnjuːˈteɪʃən)
n
(Botany) another name for nutation3
[C19: from circum- + -nutate, from Latin nūtāre to nod repeatedly, sway]
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References in periodicals archive ?
The growing tip of the stem makes a circular motion, like circumnutation, forming a unidirectional spiral around the support.
Most of us would not recognize the botanical term "circumnutation," which she describes as the "elliptical motion of twining plants." This basically means that plants twine clockwise or counterclockwise, depending on the species.