photonasty

/ (ˈfəʊtəʊˌnæstɪ) /

noun plural -ties

a nastic movement in response to a change in light intensity

Nearby words

  1. photomosaic,
  2. photomultiplier,
  3. photomural,
  4. photomyoclonus,
  5. photon,
  6. photonegative,
  7. photoneutron,
  8. photonic,
  9. photonics,
  10. photonovel

Derived Formsphotonastic, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012