Diopter Definition
diopter
noun
- a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists
Usage tips for "diopter"
Understanding the precise definition of a word helps you use it with confidence. When using "diopter" in your writing, consider whether you need the word itself or one of its synonyms — subtle differences in meaning can change the tone of a sentence. If you're writing poetry or song lyrics, check the rhymes for diopter to find words that pair well.