[awr-thuh-hahy-druh-juh n] /ˌɔr θəˈhaɪ drə dʒən/
noun, Physics, Chemistry.
the form of molecular in which the nuclei of the two atoms contained in the molecule have spins in the same direction.
(chem) the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction Compare parahydrogen
[awr-thog-ruh-fee] /ɔrˈθɒg rə fi/ noun, plural orthographies for 3–5. 1. the art of writing words with the proper letters, according to accepted usage; correct spelling. 2. the part of language study concerned with letters and spelling. 3. a method of spelling, as by the use of an alphabet or other system of symbols; spelling. 4. […]
orthokeratosis or·tho·ker·a·to·sis (ôr’thō-kěr’ə-tō’sĭs) n. The formation of an anuclear keratin layer.
[awr-thoh-ker-uh-tol-uh-jee] /ˌɔr θoʊˌkɛr əˈtɒl ə dʒi/ noun, Ophthalmology. 1. a technique for correcting refractive errors in vision by changing the shape of the cornea with the temporary use of progressively flatter hard contact lenses. orthokeratology or·tho·ker·a·tol·o·gy (ôr’thō-kěr’ə-tŏl’ə-jē) n. A method of improving unaided vision by molding the cornea with contact lenses.
- Ortho-kung t cell
Ortho-Kung T cell Or·tho-Kung T cell (ôr’thō-kŭng’) n. Any of various classes of cells recognizable to monoclonal antibodies of T cell antigens. Also called OKT cell.