A metal (e.g. gold, silver, or platinum) that resists chemical action, does not corrode, and is not easily attacked by acids.
〔化〕贵金属
Example sentencesExamples
This is done by passing the waste gases through a matrix of platinum and other noble metals.
Metal compounds have a lower density of free electrons than noble metals, and they exhibit SPE at longer wavelengths.
On the one hand, this noble metal facilitates the chemical reaction that produces electricity, but on the other hand it is very expensive.
All are rare, expensive, and classified chemically as noble metals.
In recent technology, thiols are used to create self-assembled monolayers on gold and other noble metals, which are protected from oxidation and other chemical effects.
Definition of noble metal in US English:
noble metal
nounˈnoʊbəl ˈmɛdl
Chemistry
A metal (e.g. gold, silver, or platinum) that resists chemical action, does not corrode, and is not easily attacked by acids.
〔化〕贵金属
Example sentencesExamples
In recent technology, thiols are used to create self-assembled monolayers on gold and other noble metals, which are protected from oxidation and other chemical effects.
On the one hand, this noble metal facilitates the chemical reaction that produces electricity, but on the other hand it is very expensive.
This is done by passing the waste gases through a matrix of platinum and other noble metals.
All are rare, expensive, and classified chemically as noble metals.
Metal compounds have a lower density of free electrons than noble metals, and they exhibit SPE at longer wavelengths.