English edit

Noun edit

A battery (plural A batteries)

  1. (dated, electronics) A battery used to heat the filament or cathode heaters of electron tubes.[1]

Synonyms edit

Related terms edit

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References edit

  1. ^ Laurence Urdang (editor), The Random House College Dictionary (Random House, 1984 [1975], →ISBN), page 1
  2. ^ Philip Babcock Gove (editor), Webster's Third International Dictionary of the English Language, Unabridged (G. & C. Merriam Co., 1976 [1909], →ISBN), page 1