Plural form of cuprum, though rarely used since cuprum typically refers to the element as a whole rather than countable units.
From cuprum plus the English plural suffix '-s', creating a grammatically correct but rarely encountered form in scientific writing.
While technically correct, 'cuprums' is almost never used because chemists treat copper as a mass noun—saying 'cuprums' sounds like saying 'waters' or 'golds,' which grammarians and scientists alike find odd.
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