Diageotropism

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Diageotropism \Di`a*ge*ot"ro*pism\, n. (Bot.)
     The tendency of organs (as roots) of plants to assume a
     position oblique or transverse to a direction towards the
     center of the earth.
     [1913 Webster]