tungsten lamp; tungsten bulb
Refers specifically to an incandescent light bulb with a tungsten filament. Common in technical and everyday contexts when distinguishing from other bulb types.
This lighting fixture uses a tungsten bulb.
A tungsten bulb is a type of incandescent light bulb.
Compound of タングステン (tungsten) and 電球 (light bulb). The word タングステン comes from Swedish 'tung sten' (heavy stone) via English.