Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

baryon number

noun

Definition of baryon number 

: a number equal to the number of baryons minus that of antibaryons in a system of elementary particles

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 baryon number

1958, in the meaning defined above

Keep scrolling for more

Learn More about baryon number

Share baryon number

Dictionary Entries near baryon number

barylite

baryogenesis

baryon

baryon number

Barypoda

Baryshnikov

barysilite

Statistics for baryon number

Look-up Popularity

Time Traveler for baryon number

The first known use of baryon number was in 1958

See more words from the same year

Comments on baryon number

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

Show Comments  Hide Comments 

WORD OF THE DAY

millefleur

having a pattern of small flowers

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Syn City

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!

Words at Play

Ask the Editors

Word Games