indeterminacy principle

American  

noun

Physics.

1. uncertainty principle.

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indeterminacy principle British  

/ ˌɪndɪˈtɜːmɪnəsɪ /

noun

1. another name for uncertainty principle

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Etymology

Origin of indeterminacy principle

First recorded in 1925–30

Example Sentences

Heisenberg's outstanding contribution, for which he won the Nobel Prize at 31, was the formulation of the uncertainty, or indeterminacy principle.

From Time Magazine Archive