hydrotropism Hear it!

hydrotropism Definition

hy·drot·ro·pism (hī drä′trə piz′əm)

noun

the positive, or negative, movement or growth, as of a plant root, toward, or away from, moisture

Etymology: hydro- + -tropism

hydrotropism Related Forms
hy′dro·trop′ic (hī′drə träp′ik) adjective