thigmotropismPronunciation: /ˌθɪgmə(ʊ)ˈtrəʊpɪz(ə)m/Definition of thigmotropism noun [mass noun] Biology the turning or bending of a plant or other organism in response to a touch stimulus. Derivatives thigmotropicPronunciation: /-ˈtrɒpɪk, -ˈtrəʊpɪk/ adjective Origin: early 20th century: from Greek thigma 'touch' + tropismthigmotropism in other Oxford dictionaries Definition of thigmotropism in the US English dictionary
