Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Resembling platinum.
  • noun An alloy of copper, nickel, tungsten, and zinc, formerly used in electric coils.
  • noun A metal chemically resembling platinum, especially osmium, iridium, or palladium.

from The Century Dictionary.

  • noun One of the metals with which platinum is invariably found associated. The platinoids are palladium, rhodium, iridium, osmium, and ruthenium.
  • noun An alloy, resembling German silver, composed of 60 parts copper, 14 parts nickel, 24 parts zinc and 1 to 2 parts tungsten. It has a greater resistance than German silver, and it is used largely in electrical work.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Resembling platinum.
  • noun (Chem.) An alloy of German silver containing tungsten; -- used for forming electrical resistance coils and standards.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of or resembling platinum
  • noun chemistry Any of several metals that resemble platinum in their chemistry; especially osmium, iridium and palladium
  • noun An alloy of copper, nickel, tungsten, and zinc once used in heating elements

Etymologies

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