Definitions
There is 1 meaning of the phrase
Light Ballast.
Light Ballast - as a noun
An electrical device for starting and regulating fluorescent and discharge lamps
Synonyms (Exact Relations)
ballastExample Sentences
"The light ballast provides the necessary voltage to start the fluorescent lamp."
"The old light ballast needs to be replaced because it is no longer working."
"Make sure the light ballast is compatible with the type of light fixture you are using."
"The light ballast regulates the current flowing through the lamp."
"Without a proper light ballast, the fluorescent tube will not light up."