platinoid

American  

[plat-n-oid] / ˈplæt nˌɔɪd /

adjective

1. resembling platinum.

   the platinoid elements.

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noun

1. any of the metals, as palladium or iridium, with which platinum is commonly associated.

2. an alloy of copper, zinc, and nickel, to which small quantities of such elements as tungsten or aluminum have been added.

platinoid British  

/ ˈplætɪˌnɔɪd /

adjective

1. containing or resembling platinum

   a platinoid metal

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Etymology

Origin of platinoid

First recorded in 1860–65; platin(um) + -oid

Example Sentences

A = √d� / 500 for copper wires A = √d� / 4000 for iron wires A = √d� / 5000 for platinoid wires.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various

Certain metallic elements also have the same power; thus platinoid has a resistivity 30% greater than German silver, though it differs from it merely in containing a trace of tungsten.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 8 "Conduction, Electric" by Various

The platinoid coil was insulated from the water by shellac varnish.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" by Various

The platinoid wire is insulated and the covering of silk that insulates it is wound on the ebonite bobbins just where my finger is.

From A Portrait of the Artist as a Young Man by Joyce, James

The addition of a trace of tungsten to German silver, as in platinoid, also largely increases the resistance.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 7 "Geoponici" to "Germany" by Various