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epinasty
[ ep-uh-nas-tee ]
noun
, Botany.
- (especially of leaves) increased growth on the upper surface of an organ or part, causing it to bend downward.
epinasty
/ ˈɛpɪˌnæstɪ /
noun
- increased growth of the upper surface of a plant part, such as a leaf, resulting in a downward bending of the part Compare hyponasty
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Derived Forms
- ˌepiˈnastic, adjective
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Other Words From
- epi·nastic adjective
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Word History and Origins
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Word History and Origins
Origin of epinasty1
C19: from epi- + -nasty, from Greek nastos pressed down, from nassein to press
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Example Sentences
Young leaves exhibit moreover a pronounced hyponasty or epinasty, which would naturally modify the diurnal curve.
From Project Gutenberg
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