ANTIPARTICLES

Scrabble 17 Words With Friends 21

Scrabble letter values: A₁N₁T₁I₁P₃A₁R₁T₁I₁C₃L₁E₁S₁ = 17

Definition

ANTIPARTICLES is the plural of ANTIPARTICLE.

noun ANTIPARTICLE: a particle that has the same mass as another particle but has opposite values for its other properties.