Definitions for uncertainty principle
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Random House Webster's College Dictionary
uncer′tainty prin`ciple(n.)
the quantum-mechanical principle, formulated by Heisenberg, that measuring either of two related quantities, as position and momentum or energy and time, produces uncertainty in measurement of the other.
Category: Physics
Origin of uncertainty principle:
1930–35
Princeton's WordNet
uncertainty principle, indeterminacy principle(noun)
(quantum theory) the theory that it is impossible to measure both energy and time (or position and momentum) completely accurately at the same time
Wiktionary
uncertainty principle(Noun)
Heisenberg uncertainty principle.
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