The word is in the Wiktionary

21 short excerpts of Wiktionnary (A collaborative project to produce a free-content dictionary.)

— English words —

• ortho n. (Countable, chemistry) An isomer of a benzene derivative having two substituents adjacent on the ring.
• ortho n. (Countable, astronomy) A certain type of flat eyepiece.
• ortho n. (Countable, photography, dated) An orthochromatic plate.
• ortho n. (Countable, imaging) An orthophoto.
• ortho n. (Uncountable, medicine) Orthopedics.
• ortho- pref. Straight, right, proper.
• ortho- pref. (Chemistry) Having an extra proportion of water.
• ortho- pref. (Organic chemistry) in isomeric benzene derivatives, having the two substituents in adjacent (2,6) positions…
• ortho- pref. (Physics) of any molecule of the form X₂ in which the two nuclei have parallel spin.

— Foreign words, define in English —

• Danish
  • ortho- pref. Right, proper.
  • ortho- pref. (Organic chemistry) ortho-.

— English word, defined in French —

• ortho- préf. Qui est droit, juste, régulier et qui, employée comme préfixe, sert à former de nouveaux mots techniques.

— In German —

• ortho- vorangestelltes Wortbildungselement in Fremdwörtern aus dem…

— In Dutch —

• ortho- Recht, juist, waar.

— In French —

• ortho n. (Au féminin) Orthographe.
• ortho n. Orthodontiste.
• ortho n. Orthophoniste.
• ortho n. (Québec) (Péjoratif) (Injurieux) Stupide, fou, personne incapable…
• ortho n. (Au masculin) Oculaire orthoscopique.
• Ortho n.prop. (Géographie) Section de la commune de La Roche-en-Ardenne…
• ortho- préf. Sert pour former des préfixes convoyant l’idée de droiture…

48 English words from 11 English definitions

adjacent any astronomy benzene certain chemistry Countable dated derivative derivatives extra eyepiece flat form have having imaging isomer isomeric medicine molecule nuclei of␣a on␣the Organic Organic␣chemistry ortho- orthochromatic Orthopedics orthophoto parallel photography Physics plate positions proper proportion right ring spin Straight substituents the two type Uncountable water which

17 English words from 10 foreign definitions

commune dem des droit employée est former fou idée incapable masculin mots pour Québec Roche Section techniques

32 foreign words from 10 foreign definitions

Ardenne aus comme convoyant de␣la droiture féminin Fremdwörtern Géographie Injurieux juist juste La␣Roche La␣Roche-en-Ardenne nouveaux Oculaire Orthodontiste Orthographe Orthophoniste orthoscopique Péjoratif personne préfixe préfixes qui Recht régulier sert Stupide vorangestelltes waar Wortbildungselement

691 suffixes (New words found by adding one or more letters at the end of the word.)

orthos orthodox Orthodox orthoepy orthœpy orthoëpy orthogon ortholog orthonym orthopia orthopny orthopod orthopox orthoses orthosia Orthosie orthosis orthotic orthoacid orthoclad orthocone orthodata orthodome orthodoxy Orthodoxy orthoepic orthoform orthogamy orthogons orthogrid orthologs orthology orthomode orthonyms orthopair orthopedy orthoplex orthopnea orthopnic orthopods orthoprax orthopter orthoptic orthosias orthostat orthotaxa orthotics orthotist orthotomy orthotone +641 words

153 times in the middle (New words found by adding letters in front and at the end of the word.)

north␣of kortholt Northolt porthole Port␣Hope porthors kortholts Northorpe portholed portholes porthouse shorthold shorthorn short␣hose anorthopia diorthoses diorthosis diorthotic forthought horrorthon inorthodox Moorthorpe portholing porthouses shortholds shorthorns Shorthouse unorthodox anorthopias anorthosite horrorthons Neoorthodox Neo-orthodox nonorthodox Northop␣Hall panortholog shortholder Shorthouses unorthodoxy anorthoclase anorthoscope anorthosites anorthositic antiorthodox biorthogonal enorthotrope epanorthoses epanorthosis Neoorthodoxy neo-orthodoxy Neo-orthodoxy Neo-Orthodoxy +101 words

9 words-in-word (Words found as is inside the word. Minimum size 3 letters.)

ort ORT orth- RTH Rth. tho thô tho' Tho.

2 words-in-word RTL (Words found written from right to left, inside the word. Minimum size 3 letters.)

HTR TRO

2 anagrams (New words found by changing the order of the letters.)

Rooth thoro

21 anagrams found with an extra letter (New words formed with all the letters from the word and an extra letter.)

chroot cohort foorth hooter Horton Hotoru hotrod hot␣rod orthos Ostroh Rhoton roomth rootch short␣o Te␣Horo thoron thorow Throop Toroth trocho- tropho-

26 anagrams found minus a letter (New words formed with all the letters from the word minus a letter.)

hoot Hoot horo horo- hotr hotṛ Htoo Oort orth- otoh OTOH root Root Roth roto roto- thoo thor Thor thro thro' toho Toor toro Toro troo

One lipogram (New word found when removing only one letter.)

orth-

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