lava lamp
- a decorative type of lamp in which a luminous viscous material moves in constantly changing shapes
Show More
Word Origin
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