Definition

Noun: A device that produces light, specifically electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays. It is a source of illumination designed to emit ultraviolet (UV) radiation.

Usage

An ultraviolet lamp is used in applications where ultraviolet light is required, such as for disinfection, scientific analysis, curing materials, or creating special visual effects. It is not typically used for general illumination visible to the human eye.

Examples

• The laboratory uses an ultraviolet lamp to sterilize the equipment.
• To see the security markings, you need to shine an ultraviolet lamp on the document.
• Some reptiles require an ultraviolet lamp in their habitat to synthesize vitamin D.

Advanced Usage

• In a technical context: The term can specify the type of UV radiation emitted, such as UVA, UVB, or UVC lamps, each with different applications.
• In a commercial context: Often referred to simply as a "UV lamp" or "black light" (specifically for UVA lamps that cause certain materials to fluoresce).

Variants and Related Words

• UV lamp: A common abbreviated form.
• Black light: A type of ultraviolet lamp that emits long-wave (UVA) ultraviolet light and very little visible light.
• Germicidal lamp: A specific type of ultraviolet lamp designed to emit short-wave (UVC) ultraviolet light to kill microorganisms.
• Ultraviolet light source: A more general term for any device emitting UV radiation.

Synonyms

• UV light source
• Ultraviolet light

Notes

The term "ultraviolet lamp" refers specifically to the device that emits the radiation. It is distinct from the radiation itself, which is called "ultraviolet light" or "ultraviolet radiation."

Noun

1. any source of illumination that emits ultraviolet radiation