# superposition

> English word · Noun · IPA /ˌs(j)uː.pə(ɹ).pəˈzɪʃ.ən/ · frequency rank #47,943

## Definitions
1. The placing of one thing on top of another.
2. The deposition of one stratum over another; the principle that in a series of sedimentary strata, the lower strata are the older.
3. The situation in quantum mechanics where two or more quantum states are added together (superposed) to yield another valid quantum state.

## Etymology
From French superposition.

## Easily confused with
- **supposition** (https://plainspell.com/en/vs/superposition-vs-supposition)

## Common misspellings (20)
`spuerposition`, `ssuperposition`, `sueprposition`, `supeprosition`, `superopsition`, `superpoistion`, `superposiiton`, `superposision`, `superpositino`, `superpositionn`, `superpositoin`, `superposittion`, `superpossition`, `superpostiion`, `superpposition`, `superpsoition`, `superrposition`, `supperposition`, `supreposition`, `usperposition`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/superposition