A battery

noun
\ ˈāˌ- \

Definition of A battery 

: a battery used to heat the filaments or cathode heaters of electron tubes

called also filament battery

— compare b battery

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First Known Use of A battery

1917, in the meaning defined above

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Dictionary Entries near A battery

abat-jour

abator

abat-sons

A battery

abattoir

abat-vent

abat-voix

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The first known use of A battery was in 1917

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