measurement problem

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Proper noun

1. {{lb|en|quantum mechanics}} The unresolved problem of what causes a [[wavefunction]] to collapse into an [[eigenstate]], or whether wavefunctions collapse at all.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.