# transformer

> English word · Noun · IPA /tɹænsˈfɔɹmɚ/ · frequency rank #17,981

## Definitions
1. Something that transforms, changing its own or another thing's shape.
2. A static device that transfers electric energy from one circuit to another by magnetic coupling; primarily used to transfer energy between different voltage levels, which allows the most appropriate voltages for power generation, transmission and distribution to be chosen separately.
3. A neural network architecture composed of layers of attention which takes sequences of tokens (representing text, images, audio, or other modalities) as input.
4. Alternative letter-case form of Transformer.

## Etymology
From transform + -er.

## Easily confused with
- **transporter** (https://plainspell.com/en/vs/transformer-vs-transporter)
- **transform** (https://plainspell.com/en/vs/transform-vs-transformer)
- **transformed** (https://plainspell.com/en/vs/transformed-vs-transformer)

## Common misspellings (18)
`rtansformer`, `tarnsformer`, `tranfsormer`, `trannsformer`, `transfformer`, `transfomrer`, `transforemr`, `transformerr`, `transformmer`, `transformre`, `transforrmer`, `transfromer`, `transofrmer`, `transsformer`, `trasnformer`, `trnasformer`, `trransformer`, `ttransformer`

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