Word Structure

WordHub has a local lexical record for “Diopter” with pronunciation and root analysis.

• di-

  across, through, between

  Forms: dia

• opt

  eye, vision; also, opening -opia, -opsia: indicating a visual defect or condition -opsis: indicating a specified appearance or resemblance -opsy: examination

  Forms: op, ops, opt

• -er

  noun suffix indicating a person or thing associated with a particular action or function

  Forms: er