nyctitropic Meaning, Definition & Usage

Nyc`ti*trop"ic adjective
Etymology
From Gr. , , night + turning.
Definitions
  1. (Bot.) Turning or bending at night into special positions. ✍ Nyctitropic movements of plants usually consist in a folding or drooping of the leaves, the advantage being in lessening the radiation of heat.

Webster 1913