glow-lamp

A scientist adjusts the glow-lamp in a dark laboratory.

Definition

Noun:
- A type of electric lamp: A "glow-lamp" is an electric lamp that produces light by heating a filament or a gas to the point of incandescence or luminescence, typically characterized by a soft, warm glow rather than a bright, focused beam.

Usage Examples

Noun:
- The old room was lit by a single glow-lamp on the nightstand. (A lamp that emits a soft, warm light.)
- He preferred the gentle light of a glow-lamp over the harsh glare of modern LEDs. (A lamp known for its soothing, incandescent illumination.)

Advanced Usage

"glow-lamp" as a technical term: In historical or technical contexts, "glow-lamp" may refer specifically to early incandescent bulbs or certain gas-discharge lamps (e.g., neon glow lamps) used as indicators or nightlights.
- The laboratory used a neon glow-lamp as a voltage indicator. (A small lamp that glows when electricity passes through a gas.)

Variants and Related Words

Glow (n/v): a steady, warm light; to emit such light.
- The glow of the lamp filled the room. (The soft light emitted by the lamp.)
Lamp (n): a device that produces light, typically using electricity or fuel.
- She turned on the desk lamp to read. (A common light source.)
Glow-light (n): a light that glows, often used interchangeably with "glow-lamp."
- The glow-light flickered in the dark hallway. (A light that emits a soft, unsteady glow.)

Synonyms

Incandescent lamp: a lamp that produces light by heating a filament until it glows.
Nightlight: a small, dim lamp used at night for low-level illumination.
Indicator lamp: a small lamp used to show the status of a device (e.g., on or off).

Related Idioms

"Glow with pride": to show visible satisfaction or happiness (not directly related to "glow-lamp" but shares the word "glow").
- She glowed with pride after winning the award. (She showed evident pride.)

Phrasal Verbs (none directly related to "glow-lamp")