meson

noun
me·​son | \ˈme-ˌzän, ˈmā-, ˈmē-, -ˌsän \

Definition of meson 

: any of a group of fundamental particles (such as the pion and kaon) made up of a quark and an antiquark that are subject to the strong force and have zero or an integer number of quantum units of spin

Keep scrolling for more

Other Words from meson

mesonic \me-​ˈzä-​nik, mā-​, mē-​, -​ˈsä-​ \ adjective

Examples of meson in a Sentence

Recent Examples on the Web

Then there are dozens of particles made up of those elementary particles, including hadrons, which are constructed of quarks and gluons, and mesons, made of a quark and anti-quark. Jason Daley, Smithsonian, "The Large Hadron Collider Is Getting A Huge Power Boost," 19 June 2018 However, measurements at the CERN collider have shown a definite propensity for the mesons to underproduce muons, as reported at CERN in April. Dennis Overbye, New York Times, "Yearning for New Physics at CERN, in a Post-Higgs Way," 19 June 2017

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

First Known Use of meson

1939, in the meaning defined above

History and Etymology for meson

International Scientific Vocabulary mes- + -on entry 2

Keep scrolling for more

Learn More about meson

Statistics for meson

Look-up Popularity

Time Traveler for meson

The first known use of meson was in 1939

See more words from the same year

Keep scrolling for more

More Definitions for meson

meson

noun
me·​son | \ˈmez-ˌän, ˈmēz-, ˈmēs-, ˈmes-\

Medical Definition of meson 

: any of a group of unstable elementary particles that are subject to nuclear forces and have masses much greater than that of the electron

Other Words from meson

mesonic \me-​ˈzän-​ik, mē-​, -​ˈsän-​ \ adjective

More from Merriam-Webster on meson

Rhyming Dictionary: Words that rhyme with meson

Britannica.com: Encyclopedia article about meson

Comments on meson

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

WORD OF THE DAY

amusing and light sparring with words

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Bee Cubed

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!