Crossword Genius

Subatomic particle

Ross

'subatomic particle' is the definition.
(kaon is a kind of subatomic particle)

This is the entire clue.

I've seen this clue in The Times, the Newsday, The New York Times and the LA Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.