noun Download 🔗Share A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters. Examples : "The eye doctor said my daughter's prescription changed, and she now needs glasses with a -1.5 diopter correction for nearsightedness. " medicine physics technical unit science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The dioptre adjustment mechanism of a pair of binoculars. Examples : "I adjusted the diopter on my binoculars to get a clear view of the bird. " device technology part Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Any lens system, such as a telescope. Examples : "The astronomer used a powerful diopter to observe the distant star. " technology physics device science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A theodolite or similar surveyor’s angle measuring device. Examples : "The surveyor used a diopter to carefully measure the angles of the property lines. " technology device technical Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share An alidade. Examples : "The surveyor carefully aligned the diopter (alidade) on the plane table to sight the distant landmark. " technical device science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A surgical speculum. Examples : "The doctor used a diopter to gently open the patient's nostril and examine the inside. " medicine device Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share An instrument for drawing the skull by projections. Examples : "The anthropologist used a diopter to create precise drawings of the ancient skull fragments, aiding in the reconstruction of the individual's face. " medicine device anatomy Chat with AIVocabulary GamePractice Reading