UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ɪˈlɛktrəm/US:USA pronunciation: respellingUSA pronunciation: respelling(i lektrəm)

WordReference Random House Unabridged Dictionary of American English © 2020
e•lec•trum  (i lektrəm),USA pronunciation n. 
  1. Metallurgy, Antiquityan amber-colored alloy of gold and silver used in ancient times.
  2. Metallurgyan alloy composed of about 50 percent copper, 30 percent nickel, and 20 percent zinc.
  3. MetallurgyGerman silver;
    nickel silver.
  • Greek é̄lektron amber, alloy of gold and silver
  • Latin
  • Middle English 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::
electrum /ɪˈlɛktrəm/ n
  1. an alloy of gold (55–88 per cent) and silver used for jewellery and ornaments
Etymology: 14th Century: from Latin, from Greek ēlektron amber
'electrum' also found in these entries (note: many are not synonyms or translations):
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