You searched for: “tropisms”
tropism (s) (noun), tropisms (pl)
The turning of an organism in response to a stimulus, either towards or away from the stimulus.
This entry is located in the following units: -ism, -ismus (page 60) tropo-, trop-, -tropal, -trope(s), -tropic, -tropism, -tropia, -tropous, -tropy, trep- (page 4)