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platinum-iridium

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(standard)platinum-iridium - A standard, against which all others of the same category are measured. Usage: silly.

The notion is that one of whatever it is has actually been cast in platinum-iridium alloy and placed in the vault beside the Standard Kilogram at the International Bureau of Weights and Measures near Paris, as the bar defining the standard metre once was.

"This garbage collection algorithm has been tested against the platinum-iridium cons cell in Paris."

Compare golden.


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? Mentioned in ? References in periodicals archive
 
Among global standards for length, mass, time, and other fundamental quantities, only the kilogram remains a physical object--a carefully machined cylinder of platinum-iridium alloy at the International Bureau of Weights and Measures at Sevres, France.
The Aescula(TM) 1055K left-heart lead is a stylet-driven silicone insulated lead with a titanium nitride (TiN) coated platinum-iridium electrode.
Since a small molecule requires a comparably small sensor, the team used a platinum-iridium electrode with a diameter of only 15 nanometers to measure the current.
 
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