poly·​silicon | \ "+\

Definition of polysilicon

: a polycrystalline form of silicon used especially in electronic devices

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First Known Use of polysilicon

1969, in the meaning defined above

History and Etymology for polysilicon

poly- + silicon

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Time Traveler for polysilicon

The first known use of polysilicon was in 1969

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Comments on polysilicon

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to speak slightingly about or to degrade

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