# alkaline

> English word · Adjective · IPA /ˈæl.kəl.aɪn/ · frequency rank #20,831

## Definitions
1. Of, or relating to an alkali, one of a class of caustic bases.
2. Having a pH greater than 7.

## Etymology
First attested in 1677. From alkali + -ine, ultimately from Arabic اَلْقِلْي (al-qily, “alkali, ashes of the saltwort”), related to قَلَى (qalā, “to roast in a pan, fry”).

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

## Common misspellings (11)
`aklaline`, `alakline`, `alkailne`, `alkalien`, `alkalinne`, `alkalline`, `alkalnie`, `alkkaline`, `alklaine`, `allkaline`, `lakaline`

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