cloud chamber


Definition of cloud chamber

: a vessel containing air saturated with water vapor whose sudden expansion reveals the passage of an ionizing particle by a trail of visible droplets

Examples of cloud chamber in a Sentence

Recent Examples on the Web In a recent email exchange, Coppola described watching particles produced by nuclear decay fly through a Wilson cloud chamber. Michael Alberty | For The Oregonian/oregonlive, oregonlive, 4 Jan. 2022 The cloud chamber in Gilbert’s atomic lab contains a wire coated with polonium-210, the radioactive compound used to poison ex-KGB agent Alexander Litvinenko. Michael Alberty | For The Oregonian/oregonlive, oregonlive, 4 Jan. 2022 As for the Partch, it was played by Partch, guitarist John Schneider’s ensemble dedicated to re-creating the art-object Partch instruments — the cloud chamber bowls, the exotic massive marimbas and the like. Mark Swed,, 17 June 2018

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

First Known Use of cloud chamber

1897, in the meaning defined above

Learn More About cloud chamber

Time Traveler for cloud chamber

Time Traveler

The first known use of cloud chamber was in 1897

See more words from the same year

Dictionary Entries Near cloud chamber


cloud chamber

cloud computing

See More Nearby Entries 

Statistics for cloud chamber

Cite this Entry

“Cloud chamber.” Dictionary, Merriam-Webster, Accessed 24 Jun. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on cloud chamber Encyclopedia article about cloud chamber


Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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