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 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.

From Slate

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

The current through a platinoid resistance of about 31 ohms in a calorimeter containing 1500 grammes of water was regulated so that the potential difference on its terminals was equal to that of twenty Board of Trade Clark cells in series.

From Project Gutenberg