diageotropic


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di•a•ge•o•trop•ic

(ˌdaɪ əˌdʒi əˈtrɒp ɪk, -ˈtroʊ pɪk)

adj.
(of plants) having a tendency for the rhizomes, branches, etc., to grow at a right angle to the direction of gravity.
[1875–80]
di`a•ge•ot′ro•pism (-ˈɒ trəˌpɪz əm) n.