thix·ot·ro·py 
(thĭk-sŏtrə-pē)
(thĭk-sŏtrə-pē)n.
The property exhibited by certain gels of becoming fluid when stirred or shaken and returning to the semisolid state upon standing.
[Greek thixis, touch (from thinganein, thig-, to touch; see dheigh- in the Appendix of Indo-European roots) + -TROPY.]
thix′o·tropic (thĭk′sə-trŏpĭk) adj.