ortho-
Language: English
Part of speech: prefix
Pronunciation: ipa: /ɔː.θə-/
ipa: /ɔːˈθɒ-/
ipa: /oɹ.θə-/
ipa: /oɹˈθɑ-/
Forms: form: orth-
Etymology: From Ancient Greek ὀρθός (orthós).
Senses: examples: In this sense, it is the angle that is "right" or straight rather than the line; orthogon is a right-angle triangle, orthocentric is a tetrahedron where all three pairs of opposite edges are perpendicular, orthoclastic is a crystal whose cleavage planes are at right angles.
synonyms: cross-
glosses: Right angle, perpendicular.
examples: E.g., orthorexia is an unhealthy fixation with healthy or righteous eating, an orthotaxon is a true taxon based biological relationships rather than form, orthology is speech which is proper, orthoquartzite is very pure quartz sandstone.
synonyms: eu-
glosses: Proper, righteous, pure.
examples: E.g., orthophotography is the geometrical correction of aerial photographs, orthoptics is the treatment of muscular irregularities of the eye, orthodontics is the correcting of misaligned teeth.
synonyms: fix-
glosses: To correct or fix.
examples: E.g., An orthocousin, unlike a cross-cousin, is on the same side of the family; orthogamy is when a plant's ovules are fertilized by pollen from the same plant; orthochronous is a transformation which preserves the direction of time.
synonyms: ipsi-
glosses: Same, from the same.
examples: E.g., orthocclusion is normal occlusion, orthodromic is when neurological impulses are passed in the normal direction, orthogravitropism is the ordinary effect of gravity on plants
synonyms: normo-
glosses: Normal, ordinary.
examples: E.g., orthoconic is a mollusc shell that is straight rather than spiraled, orthodentin is dentin composed of straight tubes, orthognathous is straight-jawed. .
synonyms: recti-
glosses: Straight in form.
examples: E.g., orthochrysotile is an orthorhombic chrysotile, orthopyroxene is a pyroxene that forms orthorhombic crystals, orthohexagonal is having orthorhombic hexagonal symmetry.
topics: chemistry
crystallography
natural-sciences
physical-sciences
glosses: Orthorhombic crystal structure.
examples: E.g., orthophenylene, orthosubstitution, orthocleavage.
topics: chemistry
natural-sciences
organic-chemistry
physical-sciences
glosses: In isomeric benzene derivatives, having the two substituents in adjacent (1,2) positions (compare meta- and para-).
examples: E.g., orthophosphate, orthosilicate, orthoferrite.
topics: chemistry
natural-sciences
physical-sciences
glosses: Having an extra proportion of water.
examples: E.g., orthogonal as in statistically independent, orthopair is a pair of disjoint subsets, orthogonal in the sense of two aspects of a software problem are able to be treated separately.
glosses: Independent, separate.
examples: E.g., orthonasal is the first direction from which olfaction happens; orthosteric is the original and unmodulated binding site; orthotone is when a speaker retains the accent.
synonyms: proto-
glosses: Original, primary.
examples: E.g., orthostyle is a series of columns in architecture, an ortholinear keyboard has the keys aligned in straight columns, an orthographic projection has its rays parallel.
synonyms: para-
glosses: Parallel lines or columns.
examples: E.g., orthopositronium, orthohelium, orthoquarkonium.
topics: natural-sciences
physical-sciences
physics
glosses: Of any molecule of the form X₂ in which the two nuclei have parallel spin.
examples: E.g., orthogeriatrics is the combination of orthopaedics and geriatrics, orthosurgeon is an orthopaedic surgeon, orthoroentgenography is orthopedic roentgenography.
topics: medicine
sciences
glosses: Orthopaedics.
examples: E.g., orthotropic is to grow vertically (up or down), orthostasis describes the state of the human body in a standing position, orthograde is walking or standing in that position.
glosses: Vertical or upright in movement.
examples: text: E.g., orthogneiss is a gneiss derived from igneous, rather than sedimentary (paragneiss); orthoamphibolite, orthocumulate.
topics: geography
geology
natural-sciences
synonyms: igneo-
glosses: Igneous.
Derived terms: sense: terms derived from parallel
word: orthobicupola
sense: terms derived from parallel
word: orthofluvial
sense: terms derived from parallel
word: orthographic
sense: terms derived from parallel
word: ortholinear
sense: terms derived from parallel
word: orthomegodont
sense: terms derived from parallel
word: orthostyle
sense: terms derived from correcting
word: orthobiologic
sense: terms derived from correcting
word: orthodontics
sense: terms derived from correcting
word: orthofacial
sense: terms derived from correcting
word: orthokeratology
sense: terms derived from correcting
word: ortholinear
sense: terms derived from correcting
word: orthometric
sense: terms derived from correcting
word: orthopedagogy
sense: terms derived from correcting
word: orthopedia
sense: terms derived from correcting
word: orthophoto
sense: terms derived from correcting
word: orthophotography
sense: terms derived from correcting
word: orthopsychiatry
sense: terms derived from correcting
word: orthoptics
sense: terms derived from correcting
word: orthorectification
sense: terms derived from correcting
word: orthorectify
sense: terms derived from form
word: orthobenzoquinone
sense: terms derived from form
word: orthocleavage
sense: terms derived from form
word: orthophenylene
sense: terms derived from form
word: orthophthalic
sense: terms derived from form
word: orthoquinone
sense: terms derived from form
word: orthoselective
sense: terms derived from form
word: orthosubstitution
sense: terms derived from igneous
word: orthoamphibolite
sense: terms derived from igneous
word: orthocumulate
sense: terms derived from igneous
word: orthogneiss
sense: terms derived from independent
word: orthodiagonal
sense: terms derived from independent
word: orthogonal
sense: terms derived from independent
word: orthomodular
sense: terms derived from independent
word: orthonormalization
sense: terms derived from independent
word: orthopair
sense: terms derived from inorganic chemistry
word: orthoacid
sense: terms derived from inorganic chemistry
word: orthoaluminate
sense: terms derived from inorganic chemistry
word: orthoarsenite
sense: terms derived from inorganic chemistry
word: orthoborate
sense: terms derived from inorganic chemistry
word: orthoferrite
sense: terms derived from inorganic chemistry
word: orthonitrate
sense: terms derived from inorganic chemistry
word: orthonitric acid
sense: terms derived from inorganic chemistry
word: orthoperiodate
sense: terms derived from inorganic chemistry
word: orthoperiodic
sense: terms derived from inorganic chemistry
word: orthophosphate
sense: terms derived from inorganic chemistry
word: orthophosphite
sense: terms derived from inorganic chemistry
word: orthophosphoric acid
sense: terms derived from inorganic chemistry
word: orthosilicate
sense: terms derived from normal
word: orthocclusion
sense: terms derived from normal
word: orthocephalic
sense: terms derived from normal
word: orthochess
sense: terms derived from normal
word: orthodromic
sense: terms derived from normal
word: orthograft
sense: terms derived from normal
word: orthogravitropism
sense: terms derived from normal
word: orthophemistic
sense: terms derived from normal
word: orthophosphoric
sense: terms derived from normal
word: orthopia
sense: terms derived from organic chemistry
word: orthoacetate
sense: terms derived from organic chemistry
word: orthobenzoate
sense: terms derived from organic chemistry
word: orthocarbonate
sense: terms derived from organic chemistry
word: orthoester
sense: terms derived from organic chemistry
word: orthoformate
sense: terms derived from original
word: orthogeosyncline
sense: terms derived from original
word: orthonasal
sense: terms derived from original
word: orthonym
sense: terms derived from original
word: orthoradial
sense: terms derived from original
word: orthosteric
sense: terms derived from original
word: orthosympathetic
sense: terms derived from original
word: orthotone
sense: terms derived from orthopaedics
word: orthogeriatric
sense: terms derived from orthopaedics
word: orthogeriatrics
sense: terms derived from orthopaedics
word: orthoroentgenography
sense: terms derived from orthopaedics
word: orthosurgeon
sense: terms derived from orthopaedics
word: orthosurgery
sense: terms derived from orthorhombic
word: orthochrysotile
sense: terms derived from orthorhombic
word: orthocomplement
sense: terms derived from orthorhombic
word: orthoconglomerate
sense: terms derived from orthorhombic
word: orthohexagonal
sense: terms derived from orthorhombic
word: orthopinacoid
sense: terms derived from orthorhombic
word: orthopinakiolite
sense: terms derived from orthorhombic
word: orthopyroxene
sense: terms derived from orthorhombic
word: orthosilicate
sense: terms derived from parallel spin
word: orthocharmonium
sense: terms derived from parallel spin
word: orthoexciton
sense: terms derived from parallel spin
word: orthohelium
sense: terms derived from parallel spin
word: orthohydrogen
sense: terms derived from parallel spin
word: orthopositronium
sense: terms derived from parallel spin
word: orthoquarkonium
sense: terms derived from pure
word: ortholinear
sense: terms derived from pure
word: orthoquartzite
sense: terms derived from pure
word: orthoscopic
sense: terms derived from pure
word: orthostereoscopic
sense: terms derived from pure
word: orthostereoscopy
sense: terms derived from right-angle
word: anorthoclase
sense: terms derived from right-angle
word: orthocenter
sense: terms derived from right-angle
word: orthocentral
sense: terms derived from right-angle
word: orthocentric
sense: terms derived from right-angle
word: orthoclase
sense: terms derived from right-angle
word: orthoclastic
sense: terms derived from right-angle
word: orthodiagonal
sense: terms derived from right-angle
word: orthodome
sense: terms derived from right-angle
word: orthodrome
sense: terms derived from right-angle
word: orthogon
sense: terms derived from right-angle
word: orthogonal
sense: terms derived from right-angle
word: orthography
sense: terms derived from right-angle
word: orthogrid
sense: terms derived from right-angle
word: orthohedron
sense: terms derived from right-angle
word: ortholinear
sense: terms derived from right-angle
word: orthometric
sense: terms derived from right-angle
word: orthomode
sense: terms derived from right-angle
word: orthorhombic
sense: terms derived from right-angle
word: orthoscopy
sense: terms derived from right-angle
word: orthoslice
sense: terms derived from right-angle
word: orthotope
sense: terms derived from right-angle
word: pseudoorthorhombic
sense: terms derived from righteous
word: orthochromatic
sense: terms derived from righteous
word: orthoevolution
sense: terms derived from righteous
word: orthogenesis
sense: terms derived from righteous
word: orthogenic
sense: terms derived from righteous
word: orthographical
sense: terms derived from righteous
word: orthography
sense: terms derived from righteous
word: orthology
sense: terms derived from righteous
word: orthometry
sense: terms derived from righteous
word: orthomolecular
sense: terms derived from righteous
word: orthonym
sense: terms derived from righteous
word: orthopathy
sense: terms derived from righteous
word: orthophony
sense: terms derived from righteous
word: orthoploid
sense: terms derived from righteous
word: orthoprax
sense: terms derived from righteous
word: orthopsychology
sense: terms derived from righteous
word: orthorexia
sense: terms derived from righteous
word: orthoselection
sense: terms derived from righteous
word: orthosexual
sense: terms derived from righteous
word: orthosexuality
sense: terms derived from righteous
word: orthosomnia
sense: terms derived from righteous
word: orthotaxon
sense: terms derived from same
word: anorthominasragrite
sense: terms derived from same
word: orthochromatic
sense: terms derived from same
word: orthochronous
sense: terms derived from same
word: orthocousin
sense: terms derived from same
word: orthodata
sense: terms derived from same
word: orthogamous
sense: terms derived from same
word: orthogamy
sense: terms derived from same
word: orthography
sense: terms derived from same
word: orthogroup
sense: terms derived from same
word: orthology
sense: terms derived from same
word: orthoselection
sense: terms derived from same
word: orthosymmetric
sense: terms derived from straight
word: orthoceratite
sense: terms derived from straight
word: orthochoanitic
sense: terms derived from straight
word: orthoconic
sense: terms derived from straight
word: orthodentin
sense: terms derived from straight
word: orthognathous
sense: terms derived from straight
word: orthomyxovirus
sense: terms derived from straight
word: orthopalinal
sense: terms derived from straight
word: orthosomatic
sense: terms derived from upright
word: orthograde
sense: terms derived from upright
word: orthopnoea
sense: terms derived from upright
word: orthostasis
sense: terms derived from upright
word: orthotropic