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Silica

6 lettersnounmoderate

Updated June 2026

Definition

A hard, colourless or white chemical compound of silicon and oxygen (SiO2) that occurs widely in the earth's crust as quartz and is a key component of sand and glass.

The glassmaker explained that silica is the primary raw material used in the manufacturing process.

Pronunciation

Syllables

sil·ic·a

Related Words

Synonyms

quartzsilicon dioxide

Word Game Tips

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Wordle

Contains three vowels (I, I, A) and the ICA ending is a useful pattern to know for Wordle

🔤

Scrabble

Worth 8 points and the double I helps use repeated vowel tiles from a heavy rack

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