# subduction

> English word · Noun · IPA /səbˈdʌkʃən/ · frequency rank #37,714

## Definitions
1. The action of being pushed or drawn beneath another object.
2. The process of one tectonic plate moving beneath another and sinking into the mantle at a convergent plate boundary.
3. The act of subducting or taking away.
4. Arithmetical subtraction.
5. A surjection between diffeological spaces such that the target is identified as the pushforward of the source.

## Etymology
From Latin subductiō, from subdūcere (“to draw from under or below”). Equivalent to subduct + -ion or subduce + -tion.

## Easily confused with
- **subsection** (https://plainspell.com/en/vs/subduction-vs-subsection)
- **seduction** (https://plainspell.com/en/vs/seduction-vs-subduction)

## Common misspellings (16)
`sbuduction`, `ssubduction`, `subbduction`, `subdcution`, `subdduction`, `subducction`, `subduciton`, `subducsion`, `subductino`, `subductionn`, `subductoin`, `subducttion`, `subdutcion`, `subudction`, `sudbuction`, `usbduction`

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