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 manganese oxide mineral, also containing calcium, barium, potassium, sodium, and sometimes magnesium that is a major constituent of manganese nodules
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From Japanese 轟 (todoroki, “boom, rumble; sound of thunder”) + -ite, after Todoroki Mine (轟鉱山) in Shiribeshi, Hokkaido where it was discovered.
Across languages
2 source translations are retained for this English entry.
