thigmotaxisPronunciation: /ˌθɪgməˈtaksɪs/Definition of thigmotaxis noun [mass noun] Biology the motion or orientation of an organism in response to a touch stimulus. Derivatives thigmotactic adjective Origin: early 20th century: from Greek thigma 'touch' + taxisthigmotaxis in other Oxford dictionaries Definition of thigmotaxis in the US English dictionary
