arsenopyrite
noun
arsenopyrite is a noun meaning “A silvery-grey ore of arsenic, a mixed arsenide and sulfide of iron, FeAsS” (English Wiktionary, September 2026). It is spelled A-R-S-E-N-O-P-Y-R-I-T-E, and it appears about once in every 55 million words in written English (wordfreq, 2021 data). The plural of arsenopyrite is arsenopyrites.
What does arsenopyrite mean?
noun
- 1
A silvery-grey ore of arsenic, a mixed arsenide and sulfide of iron, FeAsS.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of arsenopyrite
- arsenopyrites plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is arsenopyrite?
Arsenopyrite appears about once in every 55 million words in written English, the 231,291st most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Arsenopyrite in Spanish, French, German and Portuguese
In the sense a silvery-grey ore of arsenic:
| Language | Words |
|---|---|
| Portuguese | arsenopirita |
| Spanish | arsenopirita |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.