PHLOGISTONS

Scrabble 17 Words With Friends 20

Scrabble letter values: P₃H₄L₁O₁G₂I₁S₁T₁O₁N₁S₁ = 17

Definition

PHLOGISTONS is the plural of PHLOGISTON.

noun PHLOGISTON: a hypothetical substance once believed to be present in all combustible materials and to be released during burning.