thermotropism

 
Pronunciation: /ˌθəːmə(ʊ)ˈtrəʊpɪz(ə)m/

noun

[mass noun] Biology
  • the turning or bending of a plant or other organism in response to a directional source of heat.

Derivatives

thermotropic

Pronunciation: /ˌθəːmə(ʊ)ˈtrəʊpɪk, -ˈtrɒp-/
adjective