'Thermotropism' definitions:
Definition of 'thermotropism'
(from WordNet)
noun
An orienting response to warmth
Definition of 'Thermotropism'
From: GCIDE
- Thermotropism \Ther*mot"ro*pism\, n. [Thermo- + Gr. ? to turn.] (Bot.) The phenomenon of turning towards a source of warmth, seen in the growing parts of some plants. [1913 Webster]