mesosiderite

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noun

A stony meteorite containing roughly equal proportions of silicate and nickel-iron metal

OriginEnglish siderite ← Ancient Greek μέσος (mésos) ← Proto-Hellenic *métsos →
Scrabble 15
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Meanings

nounmesosiderite (plural mesosiderites)

plural mesosiderites

  1. geographyA stony meteorite containing roughly equal proportions of silicate and nickel-iron metal

Origin

  1. Proto-Indo-European*me
  2. Proto-Indo-European*dʰeh₁-?
  3. Proto-Indo-European*médʰi
  4. Proto-Indo-European*médʰyos
  5. Proto-Hellenic*métsos
  6. Ancient Greekμέσος (mésos)
  7. Englishmeso-
  8. Englishsiderite
  9. Englishmesosiderite

From meso- + siderite.

Full word history & related roots →
Cite this entry
APA

mesosiderite. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mesosiderite

MLA

“mesosiderite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mesosiderite. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mesosiderite,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mesosiderite.

Source: mesosiderite on Wiktionary, CC BY-SA 4.0.