seismonasty Bot.
(ˈsaɪzməʊnæstɪ)
[f. seismo- + nasty n.2]
A nastic movement made in response to a mechanical shock. Hence seismoˈnastic a., of or pertaining to a movement of this kind.
| 1912 W. H. Lang tr. Strasburger's Text-bk. Bot. I. 323 (heading) Seismonasty. Ibid., Every disturbance resulting from a mechanical shock acts as a stimulus... These movements are termed seismonastic. 1951 [see nastic a.]. 1965 Bell & Coombe tr. Strasburger's Textbk. Bot. (new ed.) 382 A whole series of plants displays movements of this kind after touching, a phenomenon termed seismonasty. Ibid. 383 Many petals, stamens and stigmata show seismonastic reactions. |