Franck-Con·don principle
| \ ˈfraŋkˈkändən-, -räŋ- \
Definition of Franck-Condon principle
: a principle in spectroscopy: the intensities of molecular spectral bands due to electronic transitions are consistent with the assumption that the relatively large mass of the atomic nuclei in the molecule prevents appreciable change in their configuration during such transitions
Test Your Vocabulary
Which Word Does Not Belong?
-
- Which of these words does not mean "nonsense"?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share Franck-Condon principle
Time Traveler for Franck-Condon principle
The first known use of Franck-Condon principle was in 1928
See more words from the same year