Standard Lemma guide

cummingtonite

noun · 1 senses · updated from the 2026-07-25 local source snapshot

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

Pronunciation

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  • /ˈkʌm.ɪŋ.təˌnaɪt/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A mineral, magnesium-iron silicate hydroxide, (Mg,Fe)7Si8O22(OH)2.

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.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Cummington + -ite, since it was originally discovered in Cummington, Massachusetts.

Across languages

Translations

9 source translations are retained for this English entry.

  • Dutch: cummingtoniet — mineral magnesium-iron silicate hydroxide
  • Finnish: cummingtoniitti — mineral magnesium-iron silicate hydroxide
  • French: cummingtonite — mineral magnesium-iron silicate hydroxide
  • Galician: cummingtonita — mineral magnesium-iron silicate hydroxide
  • German: Cummingtonit — mineral magnesium-iron silicate hydroxide
  • Indonesian: cummingtonit — mineral magnesium-iron silicate hydroxide
  • Italian: cummingtonite — mineral magnesium-iron silicate hydroxide
  • Spanish: cummingtonita — mineral magnesium-iron silicate hydroxide
  • Vietnamese: cumingtonit — mineral magnesium-iron silicate hydroxide