Definitions

from The Century Dictionary.

  • noun In electricity, a resistance placed, for purposes of regulation, in series with the filament of an electric lamp. In the case of the Nernst lamp the ballast consists of a very fine iron wire in an atmosphere of hydrogen within a sealed glass tube.

Etymologies

Sorry, no etymologies found.

Support

Help support Wordnik (and make this page ad-free) by adopting the word lamp-ballast.

Examples

  • This was due to the common dimensions of the T8 lamp and the simplicity of a lamp-ballast swap.

    CSE - Top Articles 2010

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.