Dictionary

uncertainty principle

noun

Definition of UNCERTAINTY PRINCIPLE

:  a principle in quantum mechanics: it is impossible to discern simultaneously and with high accuracy both the position and the momentum of a particle (as an electron) —called also Heisenberg uncertainty principle
ADVERTISEMENT

First Known Use of UNCERTAINTY PRINCIPLE

1929

Browse

2 ENTRIES FOUND:
Next Word in the Dictionary: uncertitudePrevious Word in the Dictionary: uncertaintyAll Words Near: uncertainty principle
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears