Scrabble Dictionary

Check if your word is playable in Scrabble.

Yes, boson is playable

...and is worth 9 points.

Found in the following dictionaries

Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Boson" Definition

noun

Any of a class of particles, such as the photon, pion, or alpha particle, that have zero or integral spin and obey statistical rules permitting any number of identical particles to occupy the same quantum state.
A particle (as a photon or meson) whose spin is zero or an integral number .