circumnutation
Britishnoun
Etymology
Origin of circumnutation
C19: from circum- + -nutate, from Latin nūtāre to nod repeatedly, sway
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Beta vulgaris: circumnutation of hypocotyl, deflected by the light being slightly lateral, traced on a horizontal glass from 8.30 A.M. to 5.30 P.M.
From The Power of Movement in Plants by Darwin, Charles
The changes of position of leaves and of climbing plants, and the sleep of leaves are all brought under this great principle of circumnutation.
From Life of Charles Darwin by Bettany, G. T. (George Thomas)
Brassica oleracea: heliotropic movement and circumnutation of a hypocotyl towards a very dim lateral light, traced during 11 hours, on a horizontal glass in the morning, and on a vertical glass in the evening.
From The Power of Movement in Plants by Darwin, Charles
The course pursued differs from ordinary circumnutation only in its greater amplitude, and in its greater rapidity late in the evening and early on the following morning.
From The Power of Movement in Plants by Darwin, Charles
If the light be somewhat obscured, though amply sufficient to cause the plant to bend towards it, we have more or less plain evidence of still-continued circumnutation.
From The Power of Movement in Plants by Darwin, Charles
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
