| ortho-, orth- (Greek: right, straight, correct, true; designed to correct).In chemistry: relating to two adjacent carbon atoms in a benzene ring, relating to acids and salts; acid formed by the combination of an oxide with the greatest number of water molecules. anorthography: anorthopia: anorthosis: diorthosis: orthergasia: orthesis: orthetic: orthetics: orthetist: orthid: orthis: orthite: ortho: orthoarteriotony: orthoaxis: orthobiosis: orthocarpus: orthocenter: orthocephalic: orthocephalous: orthocephaly: orthoceratid: orthochorea: orthochromatic: orthochromia: orthochromophil: orthoclase: orthoclastic: orthocrasia: orthocytosis: orthodactylous: orthodentin: orthodeoxia: orthodiagonal: orthodiagram: orthodiagraph: orthodiagraphy: orthodiascope: orthodiascopy: orthodigita: orthodome: orthodontia: orthodontic: orthodontics: orthodontist: orthodontology: orthodox: orthodoxy: orthodromic: orthodromy: orthoepy: orthogamy: orthogenesis: orthogenics: orthoglycemic: Orthognatha: orthognathia: orthognathic: orthognathics: orthognathism: orthognathous: orthognathy: orthogon: orthogonal: orthograde: orthographer: orthography: orthoheliotropic: orthoheliotropism: orthokinesis: orthokinetics: orthologist: orthology: orthomelic: orthometer: orthometry: orthomolecular: orthomorphia: orthomorphis: orthomyxovirus: orthoneutrophil: orthopaedic: orthopaedics: orthopantograph: orthopathy: orthopedic: orthopedics: orthopedist: orthopedy: orthopercussion: orthophobia: orthophony: orthophoria: orthophoric: orthophosphate: orthophototropic: orthophototropism: orthophrenia: orthopia: orthoplera: orthoplessimeter: orthopnea: orthopneic: orthopnoea: orthopod: orthopraxis: orthopraxy: orthopsychiatry: Orthoptera: orthopteran: orthopterous: orthoptic: orthoptics: orthoptist: orthoptoscope: orthorhombic: orthoroentgenography: orthorrhachic: orthoscope: orthoscopic: orthoscopy: orthosis: orthoskiagraph: orthoskiagraphy: orthospermous: orthostatism: orthostereoscope: orthostichy: orthostyle: orthosympathetic: orthotast: orthoterion: orthothanasia: orthotherapy: orthotic: orthotics: orthotist: orthotomous: orthotone: orthotonos: orthotonus: orthotopic: orthotropic: orthotropism: orthotyphoid: orthotypous: orthovoltage: |