nastic: Meaning and Definition of
nas•tic
Pronunciation: (nas'tik), [key]
— adj. Bot.
- of or showing sufficiently greater cellular force or growth on one side of an axis to change the form or position of the axis.
-nastic
- a combining form occurring in adjectives corresponding to nouns ending inhyponastic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.