nastic

[ nas-tik ]
/ ˈnæs tɪk /

adjective Botany.

of or showing sufficiently greater cellular force or growth on one side of an axis to change the form or position of the axis.

Origin of nastic

1900–10; < Greek nast(ós) pressed close, stamped down, firm (equivalent to nad- stem of nássein to press, squeeze + -tos past participle suffix, with dt > st) + -ic

Definition for nastic (2 of 2)

-nastic

a combining form occurring in adjectives corresponding to nouns ending in -nasty: hyponastic.

Origin of -nastic

see origin at nastic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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