DIOPTRES

Scrabble 11 Words With Friends 12

Scrabble letter values: D₂I₁O₁P₃T₁R₁E₁S₁ = 11

Definition

DIOPTRES is the plural of DIOPTRE.

noun DIOPTRE: a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters.

Synonyms of DIOPTRE: diopter