lava lamp

plural lava lamps

Definition of lava lamp

: a decorative lamp constructed of a transparent glass container filled with liquid and wax that is heated by an incandescent bulb which melts the wax and causes it to form random moving shapes within the liquid Lava lamps are back—and not just among retro hipsters lounging on shag rugs and waterbeds.— Richard A. Kerr The lava lamp on my son's bureau gives him a vantage point to ponder the colorful blobs rising and falling as their temperature and density change.— Benjamin A. Brooks

First Known Use of lava lamp

1965, in the meaning defined above

Keep scrolling for more

Learn More about lava lamp

Statistics for lava lamp

Look-up Popularity

Time Traveler for lava lamp

The first known use of lava lamp was in 1965

See more words from the same year

Comments on lava lamp

What made you want to look up lava lamp? Please tell us where you read or heard it (including the quote, if possible).


friendly or mild

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!