Definition

Noun: A neon lamp is a type of electric light. It consists of a glass tube containing neon gas at low pressure. When a high-voltage electrical current is passed through the gas, it produces a bright, glowing light, typically of a reddish-orange color.

Usage

The term neon lamp specifically refers to the lighting device itself. It is used to describe the object, its function, or its characteristic light. * A neon lamp is often used for signs and decorative lighting. * The scientist used a neon lamp to demonstrate the principles of gas discharge. * The glow from the neon lamp illuminated the street corner.

Advanced Usage

• As a component: In electronics, a small neon lamp can be used as an indicator light or a voltage regulator due to its specific ignition and operating voltages.
  • The old radio had a small neon lamp that lit up when the device was powered on.
• In physics/chemistry contexts: The term is used to describe a tool for demonstrating atomic emission spectra or gas discharge phenomena.
  • The characteristic red light of a neon lamp is caused by excited neon atoms returning to a lower energy state.

Variants and Related Words

• Neon light: A very common synonym, often used interchangeably, though it can sometimes refer more broadly to any brightly colored gas-discharge tube lighting (even if it contains gases other than neon to produce different colors).
• Neon tube: Emphasizes the physical, tubular shape of the lamp.
• Neon sign: Refers specifically to a neon lamp or assembly of lamps used for advertising or display purposes.
• Gas-discharge lamp: The general technical category which includes neon lamps, fluorescent lights, and sodium-vapor lamps.

Synonyms

• Neon light
• Neon tube
• Gas-discharge tube (specific type)

Related Phrases/Idioms

• Neon glow: Describes the distinctive soft light emitted by a neon lamp.
  • The bar's interior was bathed in a dim neon glow.
• In neon: Figuratively, to be very obvious or brightly highlighted.
  • The warning might as well have been written in neon.

Noun

1. a lamp consisting of a small gas-discharge tube containing neon at low pressure; luminescence is produced by the action of currents at high frequencies that are wrapped a few turns around the tube