Noun: indeterminacy principle ,in-di'tur-mu-nu-see'prin-su-pul
- (quantum theory) the theory that it is impossible to measure both energy and time (or position and momentum) completely accurately at the same time
"Heisenberg's indeterminacy principle sets fundamental limits on the precision of certain measurements";
- uncertainty principle
Type of: scientific theory
Encyclopedia: Indeterminacy principle