atom laser

noun

Definition of atom laser

: a device that projects a beam of atoms that have been cooled until they are in a single combined quantum state To understand why the atom laser is causing so much excitement, it is helpful to remember that atoms—which we usually think of as solid—also have a wavelike nature.— Jim Wilson, Popular Mechanics, July 1997

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of atom laser

1995, in the meaning defined above

Keep scrolling for more

Learn More about atom laser

Time Traveler for atom laser

Time Traveler

The first known use of atom laser was in 1995

See more words from the same year

Statistics for atom laser

Cite this Entry

“Atom laser.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atom%20laser. Accessed 19 Sep. 2020.

Comments on atom laser

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

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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

TAKE THE QUIZ
Love words? Need even more definitions?

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