antiparticle

NOUN /ænti,pɑrtɪkəl/
12 LETTERS · 5 SYLLABLES · STARTS WITH A

antiparticle is a valid 12-letter word worth 16 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1N1T1I1P3A1R1T1I1C3L1E1
1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 3 + 1 + 1 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does antiparticle mean?

NOUN · 1 SENSE
1

A particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy.