# silica

> English word · Noun · IPA /ˈsɪl.ɪ.kə/ · frequency rank #20,498

## Definitions
1. Silicon dioxide.
2. Any of the silica group of the silicate minerals.

## Etymology
From New Latin silica, from Latin silex (“hard stone, flint”), on model of alumina, soda.

## Easily confused with
- **slice** (https://plainspell.com/en/vs/silica-vs-slice)
- **silva** (https://plainspell.com/en/vs/silica-vs-silva)
- **slick** (https://plainspell.com/en/vs/silica-vs-slick)
- **Silvia** (https://plainspell.com/en/vs/silica-vs-silvia)
- **splice** (https://plainspell.com/en/vs/silica-vs-splice)
- **silicon** (https://plainspell.com/en/vs/silica-vs-silicon)
- **silicate** (https://plainspell.com/en/vs/silica-vs-silicate)
- **saliva** (https://plainspell.com/en/vs/saliva-vs-silica)
- **Selina** (https://plainspell.com/en/vs/selina-vs-silica)
- **salina** (https://plainspell.com/en/vs/salina-vs-silica)

## Common misspellings (8)
`islica`, `siilca`, `silcia`, `siliac`, `silicca`, `sillica`, `sliica`, `ssilica`

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