control grids

A form of control grid — An electrode used in amplifying thermionic valves (vacuum tubes) such as the triode, tetrode and pentode, used to control the flow of electrons from the cathode to the anode. It usually consists of a cylindrical screen or helix of fine wire surrounding the cathode, and is surrounded in turn by the anode.

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Meanings

noun
  1. pluralplural of control grid
Cite this entry
APA

control grids. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/control%20grids

MLA

“control grids.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/control%20grids. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “control grids,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/control%20grids.

Source: control grids on Wiktionary, CC BY-SA 4.0.