DIOPTERS

Scrabble 11 Words With Friends 12

Scrabble letter values: D₂I₁O₁P₃T₁E₁R₁S₁ = 11

Definition

DIOPTERS is the plural of DIOPTER.

noun DIOPTER: 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 DIOPTER: dioptre