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.

QUIZ

THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?

Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.

Question 1 of 7

In the UK, COTTON CANDY is more commonly known as…

candystring

candyfloss

candypuff

TAKE THE QUIZ TO FIND OUT

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

Words nearby nastic

Nassella Tussock Board, Nasser, Nasser, Gamal Abdel, Nast, Nastase, nastic, nastic movement, nasturtium, nasty, nasute, NAS/UWT

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

How to use nastic in a sentence

There is no line of demarcation between tropic and nastic movements.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
Moreover, the tropic action of unilateral light may become nastic by internal diffusion of excitation.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
The employment of the term 'nastic' is, however, convenient when used in a well-defined and restricted sense.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
No sharp distinction can therefore be made between the movements of growth and of variation, between tropic and nastic curvatures.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose

I have already referred to the distinction that is made between nastic and paratonic movements.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose