| BIOPTIC | • bioptic adj. Related to biopsy. • BIOPTIC adj. relating to biopsy. |
| CATADIOPTRIC | • catadioptric adj. (Optics) Of or pertaining to optical systems that employ both refractive (dioptric) and reflective (catoptric)… • CATADIOPTRIC adj. relating to or employing both reflection and refraction, as in the construction of some long-focal-length photographic lenses, also CATADIOPTRICAL. |
| CATADIOPTRICAL | • catadioptrical adj. Catadioptric. • CATADIOPTRICAL adj. relating to or employing both reflection and refraction, as in the construction of some long-focal-length photographic lenses, also CATADIOPTRIC. |
| DIOPTASE | • dioptase n. An intense emerald-green to bluish-green copper cyclosilicate mineral. • DIOPTASE n. a mineral, a hydrous silicate of copper, occurring in emerald-green crystals. |
| DIOPTASES | • dioptases n. Plural of dioptase. • DIOPTASE n. a mineral, a hydrous silicate of copper, occurring in emerald-green crystals. |
| DIOPTER | • diopter n. A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters… • diopter n. The dioptre adjustment mechanism of a pair of binoculars or of a camera viewfinder. • diopter n. (Photography, dated) A lens element attached to the front of a photographic lens to shorten the lens’s… |
| DIOPTERS | • diopters n. Plural of diopter. • DIOPTER n. a measure of refractive power, also DIOPTRE. |
| DIOPTOMETER | • dioptometer n. An instrument used to measure ocular refraction, in order to prescribe corrective lenses. • DIOPTOMETER n. an instrument for measuring ocular refraction. |
| DIOPTOMETERS | • dioptometers n. Plural of dioptometer. • DIOPTOMETER n. an instrument for measuring ocular refraction. |
| DIOPTOMETRIES | • DIOPTOMETRY n. the measurement of ocular refraction. |
| DIOPTOMETRY | • DIOPTOMETRY n. the measurement of ocular refraction. |
| DIOPTRAL | • dioptral adj. Synonym of dioptric. • DIOPTRAL adj. relating to a diopter, a measure of refractive power. |
| DIOPTRATE | • dioptrate adj. (Entomology) Divided transversely. • DIOPTRATE adj. of insects, having the compound eye divided transversely. |
| DIOPTRE | • dioptre n. Alternative spelling of diopter. • DIOPTRE n. a measure of refractive power, also DIOPTER. |
| DIOPTRES | • dioptres n. Plural of dioptre. • DIOPTRE n. a measure of refractive power, also DIOPTER. |
| DIOPTRIC | • dioptric adj. Acting as a medium for sight; making use of refraction (Of lenses, etc.). • dioptric adj. (Obsolete) Pertaining to a diopter. • dioptric adj. (Obsolete) Capable of being seen through. |
| DIOPTRICAL | • dioptrical adj. Alternative form of dioptric. • DIOPTRICAL adj. transparent, also DIOPTRIC. |
| DIOPTRICALLY | • dioptrically adv. In a dioptric manner. • DIOPTRICAL adv. transparent, also DIOPTRIC. |
| DIOPTRICS | • dioptrics n. Plural of dioptric. • dioptrics n. The study of the refraction of light, especially by lenses. • DIOPTRICS n. the study of light refraction. |