a person who is qualified to practise orthoptics
/ˌɔːθəʊpaɪˈrɒksiːn/ noun 1. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene orthopyroxene (ôr’thə-pī-rŏk’sēn’) Any variety of the mineral pyroxene that crystallizes in the orthorhombic system and contains no calcium and little or no aluminum. Enstatite is an orthopyroxene.
/ˈɔːθəˌrɛksɪə/ noun 1. a disorder characterized by a morbid obsession with eating healthy foods only noun an obsession with eating only ‘healthy’ food; also called orthorexia nervosa Examples The yoga instructor seems to be suffering from orthorexia. Usage Note orthorexic adj
[awr-thuh-rom-bik] /ˌɔr θəˈrɒm bɪk/ adjective, Crystallography. 1. noting or pertaining to a system of crystallization characterized by three unequal axes intersecting at right angles; ; trimetric. /ˌɔːθəʊˈrɒmbɪk/ adjective 1. (crystallog) relating to the crystal system characterized by three mutually perpendicular unequal axes Also rhombic, trimetric orthorhombic (ôr’thō-rŏm’bĭk) Relating to a crystal having three axes of […]
[awr-thuh-skop-ik] /ˌɔr θəˈskɒp ɪk/ adjective, Ophthalmology. 1. pertaining to, characterized by, or produced by normal vision. /ˌɔːθəʊˈskɒpɪk/ adjective 1. of, relating to, or produced by normal vision 2. yielding an undistorted image orthoscopic or·tho·scop·ic (ôr’thə-skŏp’ĭk) adj.