A measurement unit of light invented by Chinese manufacturers of bicycle lights and flashlights. Also known as "Chinese lumens." One chilumen is usually equal to about 1/2 to 2/3 of a regular lumen. If a product's luminosity is advertised with the disclaimer of "manufacturer rated" then the lumen rating is actually in chilumens.
"I just bought a 5000 lumen light for my bike."
"Man, no way is that light 5000 lumens, it's 5000 chilumens."
"Man, no way is that light 5000 lumens, it's 5000 chilumens."
by sms88 October 22, 2013
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by Chilgenbached February 26, 2017
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