Ortho- is a Greek prefix meaning “straight”, “upright”, “right” or “correct”.
Ortho may refer to:
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Ortho, Belgium
Ortho ( wa, Ortô) is a village of Wallonia and a district of the municipality of La Roche-en-Ardenne, located in the province of Luxembourg, Belgium.
The village is located at an altitude of above sea level. It consists of houses built mainly d ...
, a village in the Belgian province of
Luxembourg
Luxembourg ( ; lb, Lëtzebuerg ; french: link=no, Luxembourg; german: link=no, Luxemburg), officially the Grand Duchy of Luxembourg, ; french: link=no, Grand-Duché de Luxembourg ; german: link=no, Großherzogtum Luxemburg is a small lan ...
Science
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Arene substitution patterns
Arene 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
* I ...
, two substituents that occupy adjacent positions on an aromatic ring
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Chlordane
Chlordane, or chlordan, is an organochlorine compound that was used as a pesticide. It is a white solid. In the United States, chlordane was used for termite-treatment of approximately 30 million homes until it was banned in 1988. Chlordane was ...
, an organochlorine compound that was used as a pesticide
Mathematics
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Orthogonal, a synonym for perpendicular
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Orthonormal
In linear algebra, two vectors in an inner product space are orthonormal if they are orthogonal (or perpendicular along a line) unit vectors. A set of vectors form an orthonormal set if all vectors in the set are mutually orthogonal and all of un ...
, the property that a collection of vectors are mutually perpendicular and each of unit magnitude
* Orthodrome, a synonym for
great circle, a geodesic on the sphere
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Orthographic projection, a parallel projection onto a perpendicular plane
Medicine
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Orthomyxovirus
''Orthomyxoviridae'' (from Greek ὀρθός, ''orthós'' 'straight' + μύξα, ''mýxa'' 'mucus') is a family of negative-sense RNA viruses. It includes seven genera: '' Alphainfluenzavirus'', '' Betainfluenzavirus'', '' Gammainfluenzavirus'' ...
, a family of viruses to which influenza belongs
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Orthodontics, a specialty of dentistry concerned with the study and treatment of malocclusions
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Orthopedic
Orthopedic surgery or orthopedics ( alternatively spelt orthopaedics), is the branch of surgery concerned with conditions involving the musculoskeletal system. Orthopedic surgeons use both surgical and nonsurgical means to treat musculoskeletal ...
, the study of the musculoskeletal system
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Ortho-DOT
Ortho-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 (Phenethylamines i Have Known And Loved)'', neither the dosage nor the duration a ...
, a psychedelic drug
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Ortho-cept
Desogestrel/ethinylestradiol (EE/DSG), sold under the brand name Marvelon among others, is a fixed-dose combination of desogestrel (DSG), a progestin, and ethinylestradiol (EE), an estrogen, which is used as a birth control pill to prevent pregn ...
and Ortho Tri-cyclen, kinds of oral contraceptive drug
Theology
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Orthodoxy, right (correct) belief
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Orthopraxy
In the study of religion, orthopraxy is correct conduct, both ethical and liturgical, as opposed to faith or grace. Orthopraxy is in contrast with orthodoxy, which emphasizes correct belief. The word is a neoclassical compound— () meaning 'r ...
, right (correct) action
Business
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Ortho Pharmaceutical
Ortho 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
In the 1940s, Ortho introduced the coil-s ...
, which merged into Ortho-McNeil Pharmaceutical before being bought by Johnson & Johnson
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Ortho-Clinical Diagnostics
Ortho Clinical Diagnostics is an in vitro diagnostics company that makes products and diagnostic equipment for blood testing. Ortho serves two primary industries in the medical field: clinical laboratories, by producing platforms and assays tha ...
, a subsidiary of Quidel Corporation
* Ortho, a
lawn care and
pesticide company owned by the
Scotts Miracle-Gro Company
The Scotts Miracle-Gro Company is an American multinational corporation headquartered in Marysville, Ohio, where O.M. Scott began selling lawn seed in 1868. The company manufactures and sells consumer lawn, garden and pest control products, an ...
See also
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Orthos (disambiguation)
Orthos can refer to:
* ''Orthos'' (skipper), a genus of butterfly in the grass skipper family
* Orthos (Thessaly), a city of ancient Thessaly, Greece
* A two-headed dog in Greek mythology, also known as Orthrus
See also
*Orthros
''Orthros'' ( ...
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Ortho Mode Transducer
An orthomode transducer (OMT) is a waveguide component that is commonly referred to as a ''polarisation duplexer''. ''Orthomode'' is a contraction of ''orthoganal mode''. Orthomode transducers serve either to combine or to separate two ortho ...
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Orthochromatic
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Orthophotography
An orthophoto, orthophotograph, orthoimage or orthoimagery is an aerial photograph or satellite imagery geometrically corrected ("orthorectified") such that the scale is uniform: the photo or image follows a given map projection. Unlike ...
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Orthoptera
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