seismonasty

/ (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

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Word Origin for seismonasty

C20: from seismo- + -nasty
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