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
A dark coloured mineral, consisting of manganese dioxide (MnO2), that is an important ore of manganese.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a mineral consisting of manganese dioxide; an important 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
Etymology tree Proto-Indo-European *péh2wr̥ Proto-Hellenic *pāwər Ancient Greek πῦρ (pûr) Latin pyr English pyro- Ancient Greek λούω (loúō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σις (-sis) Ancient Greek λοῦσις (loûsis) Proto-Indo-European *-tósder. Ancient Greek -της (-tēs)der. Ancient Greek -ῑ́της (-ī́tēs)der. Latin -ītēsbor. French -iteder. English -ite English pyrolusite From pyro- + Ancient Greek λοῦσις (loûsis) + English -ite.
Across languages
6 source translations are retained for this English entry.
