glow stick
noun
variants
or less commonly glowstick
plural glow sticks also glowsticks
: a fluid-filled plastic tube that glows when different fluids inside the tube mix and cause a chemiluminescent reaction
Glow sticks now are typically associated with celebrations and having fun, usually during Halloween, New Year's and other get-togethers that occur after dark.—Sara Thompson
… her students explained that there's a glass tube inside each glow stick that, when snapped, combines two chemicals to create the glowing reaction.—Holly Bowen
glow stick necklaces/bracelets
Cite this Entry
“Glow stick.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glow%20stick. Accessed 20 Oct. 2026.
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