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.
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No pronunciation record was provided for this word.
noun
Various dark-coloured volcanic igneous rocks rich in augite, similar to and in some definitions including basalt, principally of Paleozoic age
Definition source: English Wiktionary via Wiktextract
Usage: countable, obsolete, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
French, from Ancient Greek, meaning "black porphyry".
Across languages
1 source translations are retained for this English entry.
