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“photonasty”
photonasty, photonastic, photonastically
One-sided growth due to the action of light.
The opening and closing of evening primrose flowers upon exposure to dark and light is one example.
This entry is located in the following units:
nastic, -nastic; nasty, -nasty; -nastism +
(page 2)
photo-, phot-, -photic
(page 11)