Definition of uncertainty principle in English:

Share this entry

uncertainty principle

noun

Physics
The principle that the momentum and position of a particle cannot both be precisely determined at the same time.
Example sentences
  • Subject to the limitations of the Heisenberg uncertainty principle, the advancement of atomic physics and quantum physics allowed increasingly accurate descriptions of complex atoms.
  • It turns out to be a basic consequence of the two basic principles of quantum theory, the uncertainty principle and the superposition principle.
  • In addition, the uncertainty principle of quantum mechanics prevents speculation on times shorter than 10-43 seconds after the big bang.
Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.