uncertainty principle

1. 1.

   (quantum theory) the theory that it is impossible to measure both energy and time (or position and momentum) completely accurately at the same time

   Synonymsindeterminacy principle

   Broaderscientific theory

   quantum theory

Questions about uncertainty principle

What does uncertainty principle mean?

uncertainty principle means "(quantum theory) the theory that it is impossible to measure both energy and time (or position and momentum) completely accurately at the same time".

What is another word for uncertainty principle?

Close synonyms include indeterminacy principle. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.