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lava lamp

[ lah-vuh lamp ]

noun

  1. 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.



lava lamp

noun

  1. a decorative type of lamp in which a luminous viscous material moves in constantly changing shapes
“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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Word History and Origins

Origin of lava lamp1

First recorded in 1965–70
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Word History and Origins

Origin of lava lamp1

C20: from the resemblance of the shapes to molten lava in water
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Example Sentences

Other activities put a Halloween twist on the classic volcano experiment and show you how to make your own glow-in-the-dark lava lamp.

This daily YouTube broadcast included science demonstrations and activities — such as building catapults and lava lamps — for kids and families to do at home.

Fish oil, Vaseline, and “the goop inside homemade lava lamps.”

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