aluminium

noun

Etymology: Etymology tree Proto-Indo-European *h₂elut- Proto-Indo-European *-mn̥ Proto-Italic *-mn̥ Latin -men Latin alūmen Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English aluminium First used in 1812 as an alternative form of aluminum which was coined in the same year. From Latin alūmen + -ium. * For information on the origins of the two spellings, see the Wikipedia article.

1. A light, silvery metal extracted from bauxite, and a chemical element (symbol Al) with an atomic number of 13.

   “There are plenty of reasons, Australians may reason, why our nation might be exempted from the threatened next round of Trumpian tariffs, on stuff like aluminium and pharmaceuticals.”

2. A single atom of this element.
3. Aircraft or other machinery made partially or wholly of aluminium.