— thigmotropic /thig'meuh trop"ik, -troh"pik/ , adj.
/thig mo"treuh piz'euhm/ , n. Biol.
oriented growth of an organism in response to mechanical contact, as a plant tendril coiling around a string support.
[ 1895-1900; thígm ( a ) touch + -o- + -TROPISM ]