nastic
[ nas-tik ]
/ ˈnæs tɪk /
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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.
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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
Other definitions 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
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022