phototropism
Syllabification: (pho·tot·ro·pism)
Pronunciation: /ˌfōtəˈtrōpizəm, fōˈtätrəˌpizəm/
Definition of phototropism
noun
Biology- the orientation of a plant or other organism in response to light, either toward the source of light ( positive phototropism) or away from it ( negative phototropism). Compare with heliotropism, phototaxis.
