Z particle

noun

Definition of Z particle

: a neutral elementary particle about 90 times heavier than a proton that along with the W particle is a transmitter of the weak force

called also Z0, Z0 particle

First Known Use of Z particle

1979, in the meaning defined above

Learn More About Z particle

Time Traveler for Z particle

Time Traveler

The first known use of Z particle was in 1979

See more words from the same year

Dictionary Entries Near Z particle

zoysia

Z particle

ZPG

See More Nearby Entries 

Statistics for Z particle

Cite this Entry

“Z particle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Z%20particle. Accessed 26 Jun. 2022.

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

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!