# solenoid

> English word · Noun · IPA /ˈsɒlɪnɔɪd/ · frequency rank #42,908

## Definitions
1. A coil of wire that acts as a magnet when an electric current flows through it.
2. A coil of wire that acts as a magnet when an electric current flows through it.
3. An electromechanical switch controlled by a solenoid; solenoid switch, relay.
4. The region of intersection between isobaric and isopycnal surfaces.

## Etymology
From French solénoïde, from Ancient Greek σωληνοειδής (sōlēnoeidḗs) (from σωλήν (sōlḗn, “channel, pipe”) + -ειδής (-eidḗs); see -oid).

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

## Common misspellings (11)
`oslenoid`, `sloenoid`, `soelnoid`, `soleniod`, `solennoid`, `solenodi`, `solenoidd`, `soleonid`, `sollenoid`, `solneoid`, `ssolenoid`

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