English Dictionary: Tropism | by the DICT Development Group |
2 results for Tropism | |
From WordNet (r) 3.0 (2006) [wn]: | |
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From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Tropism \Tro"pism\, n. [Gr. [?] a turning, [?] to turn + -ism.] (Physiol.) Modification of the direction of growth. |