b battery

1. 1.

   battery for supplying a constant positive voltage to the plate of a vacuum tube

   Broaderbattery

Questions about b battery

What does b battery mean?

b battery means "battery for supplying a constant positive voltage to the plate of a vacuum tube".

Is b battery a common word?

b battery is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.