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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noun
Any hard, black hydrous manganese oxide with variable amounts of barium and potassium.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a mineral consisting of hydrated basic oxide of manganese and barium; a source of manganese
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: mineral
History
from Gr. ψιλός (naked, smooth, bald) and μέλας (black)
Across languages
1 source translations are retained for this English entry.
