forbidden transition

noun

physics an electronic transition in an atom, molecule, etc, that is not permitted by electric dipole selection rules

Nearby words

  1. forbiddance,
  2. forbidden,
  3. forbidden band,
  4. forbidden city,
  5. forbidden fruit,
  6. forbidding,
  7. forbore,
  8. forborne,
  9. forbush decrease,
  10. forby

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