nastic

adjective
nas·​tic | \ ˈna-stik \

Definition of nastic

: of, relating to, or constituting a movement of a plant part caused by disproportionate growth or increase of turgor in one surface

First Known Use of nastic

1906, in the meaning defined above

History and Etymology for nastic

Greek nastos close-pressed, from nassein to press

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The first known use of nastic was in 1906

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