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Etymology from Wiktionary, CC BY-SA 4.0.
protosulfide
Today it means: Any of a series of sulfides of a particular metal that has the fewest atoms of sulfur per molecule Full definition →
Today it means: Any of a series of sulfides of a particular metal that has the fewest atoms of sulfur per molecule Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.