Ortho-

English

Prefix

ortho-

1. straight, right, proper
2. Having an extra proportion of water
3. (chemistry) in isomeric benzene derivatives , having the two substituents in adjacent positions (compare meta- and para- )
4. of any molecule of the form X₂ in which the two nuclei have parallel spin

Derived terms

• orthocentre
• orthochromatic
• orthoclase
• orthoclastic
• orthodontic
• orthodontis
• orthodontist
• orthodox
• orthodoxy
• orthodromic
• orthodrome
• orthoepy
• orthogenesis
• orthognathous
• orthogon
• orthogonal
• orthogonalization
• orthograde
• orthograph
• orthographic
• orthographical
• orthography
• orthohelium
• orthohydrogen
• orthology
• orthometric
• orthonormal
• orthopedic
• orthopedist
• orthopedy
• orthopraxy
• orthopsychiatry
• orthopter
• Ortheptera
• orthorhombic
• orthoscope
• orthoscopic
• orthosis
• orthostat
• orthostatic
• orthotropic