nastic

Ultimately from Ancient Greek ναστός (nastós, “pressed together”), from νάσσω (nássō, “to press, cram full”), although the sense development is unclear. (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

• IPA^(key): /ˈnæstɪk/
• Rhymes: -æstɪk

nastic (not comparable)

1. (botany) Relating to the response of a plant to a stimulus that does not depend on the location of the stimulus.

   Coordinate terms: taxic, tropic

   Many flowers close themselves at night. This nastic movement is in response to the brightness of the sky.

• actins, antics, cans it, castin', natsci