- A glow lamp in which the inert gas that becomes ionized by an electric discharge is neon. Such lamps consume little power and emit an orange-red light. Used, for instance, to indicate the status of a circuit or device, or for decorative lighting.
- A lamp similar to a neon lamp (1), but which uses other gases to obtain other desired colors.
- synonym neon bulb
- synonym neon light
- synonym neon tube
- The light produced by a neon lamp.
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