definition for thigmotropism
thigÂ·motÂ·roÂ·pism. n. The turning or bending response of an organism or part of an organism upon direct contact with a solid surface or object. Also called stereotropism. thigâ²moÂ·tropâ²ic (thÄ­gâ²mÉ-trÅpâ²Ä­k, -trÅâ²pÄ­k) adj.