Definition

1. Noun:
   • An electric lamp in which the light comes from an electric discharge between two electrodes in a glass tube: This is a technical term for a type of lamp that generates light by passing an electric current through a gas or vapor inside a sealed tube, causing the gas to glow.

Usage Examples

• Noun:
  • Fluorescent tubes and neon signs are common types of electric-discharge lamps.
  • The street lighting was upgraded to a more efficient electric-discharge lamp system.

Advanced Usage

• Technical Context: The term is primarily used in scientific, engineering, and technical descriptions of lighting technology.
  • The study compared the luminous efficacy of various electric-discharge lamps.

Variants and Related Words

• Gas-discharge lamp: A more general synonym.
• Discharge lamp: A common shortened form.
• Fluorescent lamp: A specific, common type of electric-discharge lamp.
• Neon lamp: Another specific type.
• High-intensity discharge (HID) lamp: A category that includes mercury-vapor, metal-halide, and sodium-vapor lamps.

Synonyms

• Gas-discharge lamp
• Discharge lamp

Related Phrases

• Electric discharge lighting: Refers to the broader technology or lighting method.
  • Electric discharge lighting is known for its high efficiency.

Noun

1. an electric lamp in which the light comes from an electric discharge between two electrodes in a glass tube