| RETINOL | • retinol n. (Organic chemistry, biochemistry) A fat-soluble carotenoid vitamin (vitamin A), present in fish oils… • RETINOL n. a liquid hydrocarbon. |
| RETINOIC | • retinoic adj. (Organic chemistry) Derived from retinol; relating to retinoic acid or its derivatives. • RETINOIC adj. as in retinoic acid, a derivative of vitamin A that is important in morphogenesis and embryo development. |
| RETINOID | • retinoid adj. (Rare, obsolete) Pertaining to or resembling a resin. • retinoid n. (Biochemistry) Any of a class of compounds whose structure or effects on the body resemble retinol (vitamin A). • RETINOID n. a compound analogous to vitamin A. |
| RETINOLS | • retinols n. Plural of retinol. • RETINOL n. a liquid hydrocarbon. |
| RETINOIDS | • retinoids n. Plural of retinoid. • RETINOID n. a compound analogous to vitamin A. |
| RETINOPATHY | • retinopathy n. (Medicine) Non-inflammatory disease of the retina. • RETINOPATHY n. any of various noninflammatory disorders of the retina including some that cause blindness. |
| RETINOSCOPE | • retinoscope n. An instrument used for examining the refraction of light within the eye. • RETINOSCOPE n. an instrument for measuring and viewing the retina. |
| RETINOSCOPY | • retinoscopy n. (Medicine) Analysis of the refractive properties of the eye using a retinoscope; skiascopy. • RETINOSCOPY n. observation of the retina of the eye esp. to determine the state of refraction. |
| RETINOSPORA | • Retinospora prop.n. (Obsolete) Retinispora, a former genus of coniferous trees, now in genus Chamaecyparis, some species… • RETINOSPORA n. a cypress or related conifer in a perpetuated juvenile form, also RETINISPORA. |
| RETINOSCOPES | • retinoscopes n. Plural of retinoscope. • RETINOSCOPE n. an instrument for measuring and viewing the retina. |
| RETINOSCOPIC | • retinoscopic adj. Relating to retinoscopy. • RETINOSCOPIC adj. relating to retinoscopy, observation of the retina of the eye esp. to determine the state of refraction. |
| RETINOSPORAS | • RETINOSPORA n. a cypress or related conifer in a perpetuated juvenile form, also RETINISPORA. |
| RETINOTECTAL | • retinotectal adj. (Anatomy) Of or pertaining to the retina and the optic tectum. • RETINOTECTAL adj. of, relating to, or being the nerve fibers connecting the retina and the tectum of the midbrain. |
| RETINOPATHIES | • retinopathies n. Plural of retinopathy. • RETINOPATHY n. any of various noninflammatory disorders of the retina including some that cause blindness. |
| RETINOSCOPIES | • retinoscopies n. Plural of retinoscopy. • RETINOSCOPY n. observation of the retina of the eye esp. to determine the state of refraction. |
| RETINOSCOPIST | • retinoscopist n. One who carries out retinoscopy. • RETINOSCOPIST n. one who uses a retinoscope, an instrument for measuring and viewing the retina. |
| RETINOBLASTOMA | • retinoblastoma n. (Oncology) A malignant tumour of the retina; a hereditary condition found mostly in children. • RETINOBLASTOMA n. a tumour of the retina. |
| RETINOSCOPISTS | • retinoscopists n. Plural of retinoscopist. • RETINOSCOPIST n. one who uses a retinoscope, an instrument for measuring and viewing the retina. |
| RETINOBLASTOMAS | • retinoblastomas n. Plural of retinoblastoma. • RETINOBLASTOMA n. a tumour of the retina. |