DICT.TW Dictionary Taiwan
3.144.89.42
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Nyc·tit·ro·pism n.  Plant Physiol. The tendency of certain plant organs, as leaves, to assume special “sleeping” positions or make curvatures under the influence of darkness. It is well illustrated in the leaflets of clover and other leguminous plants.
 ◄ ►