qua·​si·​par·​ti·​cle | \ ˌkwā-ˌzī-ˈpär-ti-kəl , -ˌsī-, ˌkwä-zē-, -sē-\

Definition of quasiparticle

: a composite entity (such as a vibration in a solid) that is analogous in its behavior to a single particle

Examples of quasiparticle in a Sentence

Recent Examples on the Web

There is no better demonstration of that than the world of quasiparticles. Chris Lee, Ars Technica, "Giant atom hides its neighbors under a single-electron skirt," 7 Mar. 2018 The quasiparticles produced here, called Majorana fermions, are their own antimatter. Shannon Palus, Discover Magazine, "Electrons ‘Split’ in New Form of Matter," 22 Dec. 2016 One possibility is a type of neutral quasiparticle known as a spinon, which carries spin and not charge. Maggie Mckee, WIRED, "The Physicist Who Might Have Discovered a New Building Block of Matter," 24 June 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quasiparticle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of quasiparticle

1926, in the meaning defined above

Keep scrolling for more

Learn More about quasiparticle

Share quasiparticle

Statistics for quasiparticle

Look-up Popularity

Time Traveler for quasiparticle

The first known use of quasiparticle was in 1926

See more words from the same year

More from Merriam-Webster on quasiparticle

Britannica.com: Encyclopedia article about quasiparticle

Comments on quasiparticle

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


to deny responsibility for

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Name That Thing

Test your visual vocabulary with our 10-question challenge!


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!