Word.ws English Dictionary

polysilicon

polysilicon adjective: containing many silicon atoms, especially when linked into chains or networks.

polysilicon: containing many silicon atoms, especially when linked into chains or networks
Image: Images used in compilation by Georg Slickers, Warut, CC BY-SA 3.0, via Wikimedia Commons

Adjective

polysilicon (not comparable)

  1. Containing many silicon atoms, especially when linked into chains or networks.

Noun

polysilicon (uncountable)

  1. Polycrystalline silicon: A polycrystalline form of silicon used in some solid-state devices, especially solar cells.
    • 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.2026 January 13, Rachel Millard, Alice Hancock, Nic Fildes, “How the west fell behind in green tech”, in Financial Times, Big Read, page 15

Origin of polysilicon

From poly- + silicon.

Questions about polysilicon

What does polysilicon mean?
Polysilicon means containing many silicon atoms, especially when linked into chains or networks.
What part of speech is polysilicon?
Polysilicon can be an adjective or a noun.

Words near polysilicon in the dictionary

  1. polysilicate
  2. polysilicates
  3. polysilicic
  4. polysilicic acid
  5. polysilicic acids
  6. polysilicon
  7. polysilicone
  8. polysiloxane
  9. polysiloxanes
  10. polysiloxanol
  11. polysiloxanols

Source and license

Adapted from Wiktionary: polysilicon (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “polysilicon.” Word.ws, https://word.ws/polysilicon. Based on Wiktionary, CC BY-SA 4.0.