ACTINIDES

Scrabble 12 Words With Friends 14

Scrabble letter values: A₁C₃T₁I₁N₁I₁D₂E₁S₁ = 12

Definition

ACTINIDES is the plural of ACTINIDE.

noun ACTINIDE: any of a series of radioactive elements with atomic numbers 89 through 103.

Synonyms of ACTINIDE: actinoid, actinon