metal-oxide semiconductor


Definition of metal-oxide semiconductor

: a semiconductor device (such as a diode or a capacitor) in which a metallic oxide (such as silicon dioxide) serves as an insulating layer

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First Known Use of metal-oxide semiconductor

1964, in the meaning defined above

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The first known use of metal-oxide semiconductor was in 1964

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Cite this Entry

“Metal-oxide semiconductor.” The Dictionary, Merriam-Webster Inc., Accessed 11 December 2019.

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