epinasty
[ ep-uh-nas-tee ]
nounBotany.
(especially of leaves) increased growth on the upper surface of an organ or part, causing it to bend downward.
Origin of epinasty
1Other words from epinasty
- ep·i·nas·tic, adjective
Words Nearby epinasty
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use epinasty in a sentence
Young leaves exhibit moreover a pronounced hyponasty or epinasty, which would naturally modify the diurnal curve.
Life Movements in Plants, Volume II, 1919 | Sir Jagadis Chunder Bose
British Dictionary definitions for epinasty
epinasty
/ (ˈɛpɪˌnæstɪ) /
nounplural -ties
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
1C19: from epi- + -nasty, from Greek nastos pressed down, from nassein to press
Derived forms of epinasty
- epinastic, adjective
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