Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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adj
Mostly composed of rock fragments of volcanic origin or comminuted during an eruption.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: geography, geology, natural-sciences, volcanology
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A rock mostly composed of rock fragments of volcanic origin.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From pyro- + clastic, from Ancient Greek πῦρ (pûr, “fire”), and κλαστός (klastós, “broken”).
Across languages
10 source translations are retained for this English entry.
