aluminium

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aluminium XIX. alt. (after potassium, sodium, etc.) of aluminum, H. Davy's modification (1812) of the form first suggested by him, viz. alumium (1808). Aluminum (now U.S.) is parallel to alumina (XVIII), modL. formation on the type of magnesia, potassa, soda for the ‘earth of alum’, aluminium oxide. f. L. alūmen, alūmin- ALUM.
So aluminous (F. alumineux) XVI.

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