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lava lamp

[ lah-vuh-lamp ]
/ ˈlɑ və ˌlæmp /
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noun
an electric lamp made of a transparent, tapered cylinder containing a liquid in which a colored wax-based or waxlike substance is stimulated by the heat of the light bulb to change into randomly separating shapes that constantly rise and fall: Call me an old hippie, but lava lamps belong in rooms with Woodstock posters and beaded curtains, not among the pristine décor of gabled verandas.
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Origin of lava lamp

First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use lava lamp in a sentence

British Dictionary definitions for lava lamp

lava lamp

noun
a decorative type of lamp in which a luminous viscous material moves in constantly changing shapes

Word Origin for lava lamp

C20: from the resemblance of the shapes to molten lava in water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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