'Tropism' definitions:
Definition of 'tropism'
From: WordNet
noun
An involuntary orienting response; positive or negative reaction to a stimulus source
Definition of 'Tropism'
From: GCIDE
- Tropism \Tro"pism\ (tr[=o]"p[i^]z'm), n. [Gr. troph` a turning, tre`pein to turn + -ism.] (Physiol.) Modification of the direction of growth, caused by some external influence, such as light; -- sometimes used for motion of an organism toward or away from an external stimulus, more properly called taxis. [Webster 1913 Suppl. +PJC]
Synonyms of 'tropism'
From: Moby Thesaurus
- a thing for,
- affinity,
- aptitude,
- aptness,
- bent,
- bias,
- cast,
- conatus,
- conduciveness,
- delight,
- diathesis,
- disposition,
- eagerness,
- feeling for,
- inclination,
- leaning,
- liability,
- liking,
- penchant,
- predilection,
- predisposition,
- prejudice,
- probability,
- proclivity,
- proneness,
- propensity,
- readiness,
- sensitivity to,
- soft spot,
- susceptibility,
- tendency,
- turn,
- twist,
- warp,
- weakness,
- willingness