Etymology

platinoid

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Today it means: Of or resembling platinum. Full definition →

First used 19th c.English platinum ← Spanish platina ← Vulgar Latin *plattus
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The story

  1. Vulgar Latin*plattus
  2. Spanishplata
  3. Spanishplatina
  4. Englishplatinum
  5. English todayplatinoid

From platinum + -oid.

First known use, by meaning

  • from 19th c. Of or resembling platinum.
  • from 19th c. Any of several metals that resemble platinum in their chemistry, especially osmium, iridium and palladium.
  • from 19th c. An alloy of copper (60%), zinc (24%), nickel (14%), tungsten (2%), and once used in heating elements.

Etymology from Wiktionary, CC BY-SA 4.0.