antineutron

play
noun an·ti·neu·tron \ -ˈnü-ˌträn , -ˈnyü- \

Definition of antineutron

:the antiparticle of the neutron

First Known Use of antineutron

1942


Learn More about antineutron


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

a ram's-horn trumpet used in Judaism

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
Spell It

Can you spell these 10 commonly misspelled words?

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!