Enter a clue or pattern or both:

The Clue

Particle named for a letter of the alphabet (4 letter answer)

The Answer

KAON

Tags


Notes

The answer KAON is so rare that it appears less than once every 2500 puzzles.

Related Clues

Unstable subatomic particle

Definition

KAON as a noun:

1. (kaon, kappa-meson, k-meson, K particle) = an unstable meson produced as the result of a high-energy particle collision