black light

noun

1

: invisible ultraviolet light

2

: a lamp that radiates black light

Examples of black light in a Sentence

Recent Examples on the Web

See an 850-pound chunk of copper as well as rocks that glow neon under black lights. — Samantha Lande, Midwest Living, 30 July 2026

Many things show up under the black lights used in pet urine detectors. — Bestreviews, Mercury News, 27 July 2026

Both light gray and creamy white paint are used for the cabinetry, while the neutral palette is offset with rattan bar stools and black light fixtures. — Lauren Jones, The Spruce, 6 June 2026

The show combines nontraditional percussion, marshmallows, paint splashes, plumbing, black lights and streaming streamers. — Dewayne Bevil, The Orlando Sentinel, 22 May 2026

Word History

First Known Use

1913, in the meaning defined at sense 1

Rhymes for black light

• affright
• airtight
• albite
• alight
• alright
• aplite
• aright
• bainite
• birthright
• bobwhite
• bornite
• bullfight

Kids Definition

black light

noun

: invisible ultraviolet or infrared light