'Nyctitropic' definitions:

Definition of 'Nyctitropic'

From: GCIDE
  • Nyctitropic \Nyc`ti*trop"ic\, a. [From Gr. ny`x, nykto`s, night + ? turning.] (Bot.) Turning or bending at night into special positions. [1913 Webster]
  • Note: Nyctitropic movements of plants usually consist in a folding or drooping of the leaves, the advantage being in lessening the radiation of heat. [1913 Webster]

Words containing 'Nyctitropic'