Polysilicon

adj, noun

adj, noun ·5 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Polycrystalline silicon: A polycrystalline form of silicon used in some solid-state devices, especially solar cells. uncountable

    "Similarly Poly Engineering, an Italian maker of polysilicon—the key ingredient in solar panels—transferred key production knowhow to China's Daqo New Energy in 2008, helping China break the grip on polysilicon supply held by the US, Europe and Japan."

Adjective
  1. 1
    Containing many silicon atoms, especially when linked into chains or networks. not-comparable

Example

More examples

"Similarly Poly Engineering, an Italian maker of polysilicon—the key ingredient in solar panels—transferred key production knowhow to China's Daqo New Energy in 2008, helping China break the grip on polysilicon supply held by the US, Europe and Japan."

Etymology

From poly- + silicon.

Related phrases

solid state device

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.