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seismonasty

British

/ ˈsaɪzməˌnæstɪ /

noun

botany a nastic movement in response to shock, esp the rapid folding of the leaflets of the sensitive plant due to changes in turgor pressure caused by vibration

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of seismonasty

C20: from _seismo- + _-nasty

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023