Video shows what Heisenberg uncertainty principle means. The principle that there is an absolute limit on the combined accuracy of certain pairs of simultaneous, related measurements, especially that of the position and momentum of a particle. Originally posited as a problem of measurement, it was soon refined as an inherent property of the universe.. Heisenberg uncertainty principle synonyms: uncertainty principle, indeterminacy principle. Heisenberg uncertainty principle Meaning. How to pronounce, definition audio dictionary. How to say Heisenberg uncertainty principle. Powered by MaryTTS, Wiktionary