[ ep-uh-nas-tee ]

  1. (especially of leaves) increased growth on the upper surface of an organ or part, causing it to bend downward.

Origin of epinasty

1875–80; epi- + Greek nast(ós) pressed close + -y3

Other words from epinasty

  • ep·i·nas·tic, adjective

Words Nearby epinasty

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How to use epinasty in a sentence

British Dictionary definitions for epinasty


/ (ˈɛpɪˌnæstɪ) /

nounplural -ties
  1. increased growth of the upper surface of a plant part, such as a leaf, resulting in a downward bending of the part: Compare hyponasty

Origin of epinasty

C19: from epi- + -nasty, from Greek nastos pressed down, from nassein to press

Derived forms of epinasty

  • epinastic, adjective

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