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siderite

noun

siderite is spelled S-I-D-E-R-I-T-E: 8 letters. It appears about once in every 38 million words in written English, the 189,524th most frequent word form (wordfreq, 2021 data). As a noun, siderite means “A widespread brown mineral, FeCO₃, having the structure of calcite” (English Wiktionary, September 2026). The plural of siderite is siderites.

How many letters and syllables are in siderite?

Letters8: S-I-D-E-R-I-T-E
In writingabout once in every 38 million words; the 189,524th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is siderite?

Siderite appears about once in every 38 million words in written English, the 189,524th 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).

Forms of siderite

  • siderites plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does siderite mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    A widespread brown mineral, FeCO₃, having the structure of calcite.

  2. 2

    An iron meteorite.

  3. 3

    An indigo blue variety of quartz.

  4. 4

    obsoleteMagnetic iron ore; lodestone.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Siderite in Spanish, French, German and Portuguese

LanguageWords
Frenchsidérite (a mineral, iron(II) carbonate)
GermanSiderit (a mineral, iron(II) carbonate)
Portuguesesiderita (a mineral, iron(II) carbonate)
Spanishsiderita (a mineral, iron(II) carbonate), siderito (an iron meteorite)

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.

Where does siderite come from?

From Ancient Greek σιδηρίτης (sidērítēs, “made of iron”), from Ancient Greek σίδηρος (sídēros, “iron”), or from Latin sideritis (“lodestone”), from Ancient Greek σιδηρῖτις (sidērîtis, “loadstone”). By surface analysis, sider- + -ite.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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