platinoid

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adjective

Of or resembling platinum.

OriginEnglish platinum ← Spanish platina ← Vulgar Latin *plattus →
First used 19th c.Scrabble 12
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Meanings

adjectiveplatinoid (comparative more platinoid, superlative most platinoid)

comparative more platinoid · superlative most platinoid

  1. Of or resembling platinum.First known use 19th c.
nounplatinoid (plural platinoids)

plural platinoids

  1. chemistryAny of several metals that resemble platinum in their chemistry, especially osmium, iridium and palladium.First known use 19th c.
  2. An alloy of copper (60%), zinc (24%), nickel (14%), tungsten (2%), and once used in heating elements.First known use 19th c.

    He explained that the wires in modern coils were of a compound called platinoid lately discovered by F. W. Martino.

    1916, James Joyce, chapter V, in A Portrait of the Artist as a Young Man, New York, N.Y.: B[enjamin] W. Huebsch, →OCLC

Origin

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

From platinum + -oid.

Full word history & related roots →

Translations

Finnish platinoidi
  • platinoidimetal resembling platinum
Greek πλατινοειδής
  • πλατινοειδής (platinoeidís)metal resembling platinum
Cite this entry
APA

platinoid. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/platinoid

MLA

“platinoid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/platinoid. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “platinoid,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/platinoid.

Source: platinoid on Wiktionary, CC BY-SA 4.0.