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Word of the Day Tuesday, June 9, 2026

pyroclast

/ˈpaɪrəklæst/ noun · British & US
Valid in UK
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What does pyroclast mean?

noun

A fragment of rock that has been ejected from a volcano during an eruption, typically a small, rounded piece of lava or volcanic ash.

Example

"The pyroclasts that fell from the volcano were a mix of lava and ash, causing widespread damage to the surrounding area."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for pyroclast

Rhymes with pyroclast

Etymologically related