A supply

noun Electronics.

a battery or other source of power for heating the filament or cathode heater of an electron tube.

RELATED CONTENT

grey-a As with many things in life, sexuality isn't black and white.

Is Irregardless A Word?Few words draw the ire of grammarians as swiftly as irregardless. The term has been in use in English for over a century, but whether or not it’s a “real word” or one you should use in daily conversation continues to be the subject of debate. Irregardless is a nonstandard synonym for regardless, which means “without concern as to advice, warning, or hardship,” or “heedless.” …

Compare B supply, C supply.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019