Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z orthorectified Having been geometrically corrected so that distances shown are uniform and can be measured like a map. orthorectify To process an aerial photograph so as to geometrically correct it such that the scale of the photograph is uniform and it can be measured as a map is. orthoreoviral Relating to the orthoreoviruses orthoreovirus Any virus of the genus Orthoreovirus that infect vertebrates, normally without causing disease orthoretroviral Relating to orthoretroviruses orthoretrovirus Any retrovirus of the subfamily Orthoretrovirinae. orthorexia A fixation with healthy or righteous eating. orthorexic Having a fixation with healthy or righteous eating orthorhombic Having three unequal axes at right angles. orthorhombically In an orthorhombic manner orthorhombicity The condition of being orthorhombic orthoroentgenogram A radiograph produced by orthoroentgenography. orthoroentgenography orthopedic roentgenography orthorrhaphan Any fly of the infraorder Orthorrhapha orthorrhaphous Relating to the orthorrhaphans orthorubulavirus Any virus of the genus Orthorubulavirus. orthoschematic Relating to orthoschemes. orthoscheme A special kind of simplex whose vertices can be connected by a path such that every pair of edges in the path are at right angles to each other. orthoscope An instrument for examining the interior of an eye. orthoscopic free from optical distortion orthoscopy Examination of the eye by means of the orthoscope. orthoselection The hypothesis that posits that orthogenesis works by means of natural selection. orthoselective regioselective of the ortho- position in a benzene ring orthoserpierite An orthorhombic-pyramidal pale blue green mineral containing calcium, copper, hydrogen, oxygen, sulfur, and zinc. orthosexual Relating to or having the orthodox form of sexuality in a particular culture. orthosexuality The orthodox or socially accepted form of sexuality or sexual expression in a particular culture. orthosia Any moth of the genus Orthosia Orthosian Of or relating to the god Orthosia in Greek mythology. Orthosie One of the moons of Jupiter. orthosilicate Any salt or ester of orthosilicic acid, (M⁺)₄SiO₄⁴⁻ or Si(OR)₄. orthosilicic Of, relating to or derived from orthosilicic acid. orthosiphon Any herbaceous shrub of the genus Orthosiphon. orthosis A type of brace which either prevents or assists movement of a limb or the spine. orthoslice A slice that is orthogonal to a particular plane orthosocial Not parasocial; reciprocated (of an interpersonal relationship). orthosomatic Having a straight body orthosomnia An unhealthy obsession with achieving the correct amount and type of sleep. orthosomycin Any of a group of antibiotics that have orthoester linkages with a carbohydrate. orthospermous Having the seeds straight, as in the fruits of some umbelliferous plants. orthosporin The isochromenone 6,8-dihydroxy-3-[(2S)-2-hydroxypropyl]isochromen-1-one present in some fungi orthostasis The act or status of standing upright. orthostat An upright stone or slab, especially one which is part of a larger structure. orthostates Synonym of orthostat orthostatic Relating to orthostasis or orthostatism. orthostatism Synonym of orthostasis (“an upright standing position”). orthostereoscopic That produces a three-dimensional image free from distortion orthostereoscopy The production of a three-dimensional image free from distortion orthosteric Describing the primary, unmodulated binding site (on a receptor) of a ligand orthosterically In an orthosteric manner orthosterism The condition of being orthosteric orthostichous Having orthostichies. orthostichy A row of leaves along a stem orthostrophic Having coils wrapped around an erect cone. orthostrophy The condition of being orthostrophic. orthostyle A straight line of columns. orthosubstituted Having undergone orthosubstitution. orthosubstitution Any substitution reaction that introduces an atom or group into the ortho- position orthosurgeon An orthopedist or orthopedic surgeon. orthosurgery Orthopedics or orthopedic surgery. orthosymmetric That has equal elements of the secondary diagonal. orthosymmetrical orthosymmetric orthosympathetic Of or pertaining to the sympathetic component of the autonomic nervous system orthosymplectic orthogonal and symplectic orthotactic Relating to orthotactics. orthotactically In terms of orthotactics. orthotactics The restrictions a language applies to the positions and patterns of graphemes in written words. orthotaxon A true taxon that is based on biological relationships rather than on form. orthotectonic Produced by an orthogeosyncline orthoteliine Any moth of the subfamily Orthoteliinae orthotellurate The anion TeO₆⁶⁻; any salt containing this anion orthoteny The study of straight lines, especially in regards to the flight paths that UFOs tend to follow. orthotetrahedral Relating to, or having the form of, an orthotetrahedron. orthotetrahedron A tetrahedron with three pairs of faces at right angles to one another. orthothecid Any hyolith of the order †Orthothecida orthothioformate Any orthoester, formally derived from (the unstable) thioformic acid, of general formula HC(SR)₃ orthotic Of or pertaining to orthotics. orthotics The design, manufacture and installation of orthopedic appliances to support, straighten or improve the function of a body part orthotist A person who makes or fits orthotic devices. orthotitanate A salt or ester of orthotitanic acid. orthotolidine An organic compound with chemical formula (C₆H₄(CH₃)NH₂)₂, used mainly in dye production. orthotomic Cutting at right angles. orthotomous Having two cleavages at right angles with one another. orthotomy The property of cutting at right angles. orthotone Retaining the accent independently; not enclitic; said of certain indefinite pronouns and adverbs when used interrogatively, which are enclitic in other situations. orthotonesis The accentuation of a proclitic or enclitic. orthotonic orthotone orthotonos muscular rigidity associated with tetanus orthotope The generalization of a rectangle for higher dimensions, formally defined as the Cartesian product of intervals. orthotopic in the normal position orthotopically In an orthotopic manner. orthotospovirus Any virus of the genus Orthotospovirus orthotransplantation orthotopic transplantation orthotriaene a sponge spicule that has three short rays projecting at right angles from a longer one orthotrichaceous Of or relating to the Orthotrichaceae. orthotropal orthotropic orthotrophic Relating to orthotrophy orthotrophy The practice of eating the "correct" things orthotropia The normal absence of heterotropia. orthotropic Growing vertically, either upwards or downwards. orthotropically In an orthotropic manner. orthotropics an orthodontic method invented by John Mew which is claimed to be able to guide facial growth. orthotropism The property of being orthotropic or orthotropous. orthotropous Growing straight and having the micropyle at the apex orthotropously In an orthotropous manner. orthotropy The condition of being orthotropic. orthotype The original published name for a group of genetically related organisms. orthotypic Relating to orthotypes. orthotypographic Of or relating to orthotypography. orthotypographical Of or relating to orthotypography. orthotypography The study of correct typography according to established usage. orthovanadate The oxyanion of vanadium VO₄³⁻ or any salt containing this ion orthovoltage A voltage of about 300 to 500 kilovolts, when used in radiation therapy. orthowalpurgite An orthorhombic-dipyramidal pale yellow mineral containing arsenic, bismuth, hydrogen, oxygen, and uranium. orthowater Synonym of polywater. orthox A form of orthic oxisol. orthoxylene An aromatic hydrocarbon based on benzene with two methyl substituents bonded to adjacent carbon atoms in the benzene ring (the ortho configuration). orthros The divine office or service at dawn. Orthrus A two-headed dog who guarded Geryon's cattle and was killed by Heracles. orticant That irritates the skin Ortigas A central business district in Pasig, Mandaluyong and Quezon City, Metro Manila, Philippines Ortigoza A surname from Spanish. Ortigueira A municipality of A Coruña, Galicia, Spain. ortive Of or relating to the time or act of rising; eastern. Ortiz A surname from Spanish. Ortizsoto A surname. Ortler The highest mountain in the Eastern Alps outside the Bernina Range, located in South Tyrol in Italy. Ortley A ghost town in Oregon. Ortloff A surname from German. Ortman A surname from German. Ortmann A surname from German. Ortner A surname from German. ortol A particular chemical used as a photographic developer. ortolan A small European migratory bunting (Emberiza hortulana), once eaten whole as a delicacy. Orton A surname. Ortonesque In a style reminiscent of John Kingsley "Joe" Orton (1933-1967), English playwright who wrote scandalous black comedies. Ortonian Of or relating to Joe Orton (1933–1967), English playwright and author. Ortonville An unincorporated community in Ventura County, California, United States. Ortrud A female given name. Ortsgruppenleiter a Nazi party political rank and title which existed between 1930 and 1945. ortstein A hardpan, typically in a podzol Ortwein A surname from German. ortygan Any of various buttonquails. Ortygia A small island which is the historical centre of the city of Syracuse, Sicily. Ortygian Of or relating to the island of Ortygia. orujo A brandy from northern Spain, made from grapes. Orunmila A male given name from Yoruba. Oruro A city, the capital of Oruro department, Bolivia. orussid Any wasp of the family Orussidae. orutu A one-stringed African fiddle, played especially by the Luo people. oruwacin A certain naturally-occurring tetracyclic spirolactone iridoid.