PREON A preon is a hypothetical subatomic particle that is smaller than a quark and is believed to be a building block of quarks and other particles.
Word: PREON
Length: 5 letters
Dictionary: Valid in TWL and SOWPODS
Status: Official Scrabble word
The word PREON can be used in various contexts. As a valid Scrabble word, it can be played on the Scrabble board according to standard game rules.