Ortho
Encyclopedia
Ortho may refer to:
In science
In cartography
In math
In computer science
In medicine
In theology
Corporations
In science
- An arene substitution patternArene substitution patternsArene substitution patterns are part of organic chemistry IUPAC nomenclature and pinpoint the position of substituents other than hydrogen in relation to each other on an aromatic hydrocarbon.- Ortho, meta, and para substitution :...
in which two substituents occupy adjacent positions on an aromatic ring - ChlordaneChlordaneChlordane, or chlordan, is an organochlorine compound that was used as a pesticide. This white solid was sold in the U.S. until 1983 as an insecticide for crops like corn and citrus and on lawns and domestic gardens.-Production and uses:...
an organochlorine compound that was used as a pesticide - Ortho Mode TransducerOrtho mode transducerAn Ortho Mode Transducer, OMT for short, is a waveguide component that is designed to separate orthogonal polarizations. Most often this is used close to an antenna feed horn in order to allow transmit and receive signals to operate on separate polarizations....
, is a waveguide component - An OrthochromaticOrthochromatic- Orthochromatic photography :Orthochromatic photography refers to a photographic emulsion that is sensitive to only blue and green light, and thus can be processed with a red safelight. The increased blue sensitivity causes blue objects to appear lighter and red ones darker...
spectrum is any spectrum of light devoid of red
In cartography
- Orthophotography, aerial photography
In math
- OrthogonalityOrthogonalityOrthogonality occurs when two things can vary independently, they are uncorrelated, or they are perpendicular.-Mathematics:In mathematics, two vectors are orthogonal if they are perpendicular, i.e., they form a right angle...
- OrthonormalityOrthonormalityIn linear algebra, two vectors in an inner product space are orthonormal if they are orthogonal and both of unit length. A set of vectors form an orthonormal set if all vectors in the set are mutually orthogonal and all of unit length...
In computer science
- Orthographic projectionOrthographic projectionOrthographic projection is a means of representing a three-dimensional object in two dimensions. It is a form of parallel projection, where all the projection lines are orthogonal to the projection plane, resulting in every plane of the scene appearing in affine transformation on the viewing surface...
, a means of representing a three-dimensional (3D) object in two dimensions (2D).
In medicine
- Orthomyxovirus - family of viruses to which influenza (causative agent of the flu) belongs
- OrthodonticsOrthodonticsOrthodontics, orthodontia, or orthodonture is the first specialty of dentistry that is concerned with the study and treatment of malocclusions , which may be a result of tooth irregularity, disproportionate jaw relationships, or both...
, a specialty of dentistry concerned with the study and treatment of malocclusions - Orthopedic, the study of the musculoskeletal system.
- Ortho-DOTOrtho-DOTOrtho-DOT, or 4,5-dimethoxy-2-methylthioamphetamine, is a lesser-known psychedelic drug. Ortho-DOT was first synthesized by Alexander Shulgin. In his book PiHKAL , neither the dosage nor the duration are known. Ortho-DOT produces few to no effects...
, a psychedelic drug - Ortho-cept and Ortho Tri-cyclen, kinds of oral contraceptive drug
In theology
- OrthodoxyOrthodoxyThe word orthodox, from Greek orthos + doxa , is generally used to mean the adherence to accepted norms, more specifically to creeds, especially in religion...
, right (correct) belief - Orthopraxy, right (correct) action
Corporations
- Ortho PharmaceuticalOrtho PharmaceuticalOrtho Pharmaceutical was initially formed in the United States in 1931 as a subsidiary of Johnson & Johnson to market the first prescription spermicidal contraceptive jelly, Ortho-Gynol.-History:...
, which merged into Ortho-McNeil Pharmaceutical before being bought by Johnson & Johnson - Ortho-Clinical DiagnosticsOrtho-Clinical DiagnosticsOrtho Clinical Diagnostics is a Johnson & Johnson company that makes in vitro diagnostics products. It was created following Johnson and Johnson's acquisition of Eastman Kodak's Clinical Diagnostics Division in 1994 , which was then merged with Ortho Diagnostic Systems in 1997...
, another subsidiary of Johnson & Johnson