Definitions for "Arc tube"
A sealed quartz or ceramic tube where light is generated.
A quartz tube in which a current traverses a gas between two electrodes.
The tube in an HID lamp in which the primary light emitting discharge takes place. Made of clear quartz or ceramic, and may be enclosed by an outer glass envelope.
container for luminous gases; also houses the arc.
The enclosure which contains the luminous gases and also houses the arc.