Word Study
thigmotaxis
CIDE DICTIONARY
thigmotaxis, n. [NL., fr. Gr. touch + an arranging.].
The property possessed by living protoplasm of contracting, and thus moving, when touched by a solid or fluid substance.
" When the movement is away from the touching body, it is negative thigmotaxis ; when towards it, positive thigmotaxis ." [Webster 1913 Suppl.]
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