Definition of haptotropism in English:

haptotropism

noun

Botany
  • The movement or directional growth of plants or plant organs (as the tendrils of climbing plants) in response to the stimulus of touch.

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From German Haptotropismus from ancient Greek ἅπτειν to fasten + German -tropismus.

Pronunciation

haptotropism

/ˌhaptə(ʊ)ˈtrəʊpɪz(ə)m//ˌhaptə(ʊ)ˈtrɒpɪz(ə)m/