## uncertainty principle

uncertainty principle in quantum mechanics, the principle that it is impossible to measure simultaneously and exactly two related quantities, as both the position and the momentum of an electron

Origin of uncertainty principle

put forth by W. Heisenberg## uncertainty principle

noun

A principle in quantum mechanics holding that greater accuracy of measurement for one observable quantity entails less accuracy of measurement for another conjugate quantity.

## uncertainty-principle

Noun

(*uncountable*)

- (quantum mechanics) Heisenberg uncertainty principle.