nyctitropic

English

Alternative forms

• nyctotropic

Etymology

From Ancient Greek νύχτατροπικός (núkhtatropikós, literally “night-turning”).

Adjective

nyctitropic (not comparable)

1. (botany) 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.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “nyctitropic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)