black light
(countable) A light bulb that emits ultraviolet light, usually used to create the illusion that anything white is glowing.
Seen in the wild
I'm from the US, when I got my passport to visit my bf in Wales I always thought the little images and historical tidbits were always pretty cool. Plus if you shine a black light on a passport, it has a lot of cool se…
I’ve just checked to see if my UV body paint has dried yet. It hasn’t. Now I’m going to have a look around to see if anyone nearby fancies having me paint them. 😇 It looks so cool under black light!
At first glance I thought that little black light in the corner was a kitten. I think I need an eye exam
Given this year’s MET Gala theme, I’m a little disappointed nobody showed up in a velvet outfit adorned with card playing dogs and some minion in tow holding a black light.
Definitions
(countable) A light bulb that emits ultraviolet light, usually used to create the illusion that anything white is glowing.
“I'm from the US, when I got my passport to visit my bf in Wales I always thought the little images and historical tidbits were always pretty cool. Plus if you shine a black light on a passport, it has a lot of cool security features to prevent forgery lol”
— Bluesky· May 2026“I’ve just checked to see if my UV body paint has dried yet. It hasn’t. Now I’m going to have a look around to see if anyone nearby fancies having me paint them. 😇 It looks so cool under black light!”
— Bluesky· May 2026“At first glance I thought that little black light in the corner was a kitten. I think I need an eye exam”
— Bluesky· May 2026“Given this year’s MET Gala theme, I’m a little disappointed nobody showed up in a velvet outfit adorned with card playing dogs and some minion in tow holding a black light.”
— Bluesky· May 2026
Comments
(uncountable, slang) radiation or light.
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