Definitions for "Halogen Bulb"
A high intensity bulb containing a gas (such as chlorine or bromine) that allows the filament to run at a higher temperature without boiling away, thus allowing a brighter, whiter light.
a little more efficient than this and a long-life bulb is a little less efficient than this
an ordinary incandescent bulb, with a few
a good choice because it has a high light intensity and its light spectrum is very similar to sunlight