B battery

American

noun

Electronics.

an electric battery for supplying a constant, positive voltage to the plate of a vacuum tube.

Etymology

Origin of B battery

First recorded in 1920–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The same day, she met members of the Canadian Army at Windsor Castle at an event to mark the 150th anniversary of the A and B batteries of the Royal Regiment of Canadian Artillery.

From BBC

“We’ve got too high a voltage on the B battery,” said Bob, after a moment of study.

From Project Gutenberg

Farrel," the captain declared, "if I had ever had a doubt as to why I made you top cutter of B battery, that last remark of yours would have dissipated it.

From Project Gutenberg

The A and B batteries are exactly the same as those described in Chapter VIII.

From Project Gutenberg

Set the vacuum tube amplifier back of the rheostat and the A and B batteries back of the parts or in any other place that may be convenient.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023