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nastic

1 American  
[nas-tik] / ˈnæs tɪk /

adjective

Botany.

  1. 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 2 American  

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

    hyponastic.

Etymology

Origin of nastic1

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

Origin of -nastic2

nastic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.