Duralumin
Concise Oxford English Dictionary © 2008 Oxford University Press:
Duralumin /djʊˈraljʊmɪn/
▶noun trademark a hard, light alloy of aluminium with copper and other elements.
– origin early 20th cent.: perh. from L. durus ‘hard’ + aluminium, but prob. influenced by Düren, the name of the German town where the alloy was first produced.
'Duralumin' also found in these Oxford entries:
