Principle of uncertainty and Uncertainty principle

Uncertainty principle and principle of uncertainty are semantically related. In some cases you can use "Uncertainty principle" instead a noun "Principle of uncertainty".

Uncertainty 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.

Principle of uncertainty and uncertainty principle are semantically related. You can use "Principle of uncertainty" instead a noun phrase "Uncertainty principle".