platinoid

[plat-n-oid]

adjective

1. resembling platinum.

   the platinoid elements.

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

/ ˈplætɪˌnɔɪd /

adjective

1. containing or resembling platinum

   a platinoid metal

Word History and Origins

Origin of platinoid¹

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

Example Sentences

A quick check suggests that titanium could soon be surpassed by any number of elements in the platinoid family, including ruthenium, rhodium, palladium, osmium, and iridium.

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For cheap bells, therefore, there is a great temptation to use some other white metal, such as silver, german silver, platinoid, etc.

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

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

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

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