ortho

== English == === Etymology === Ultimately from the prefix ortho-. === Pronunciation === (Received Pronunciation) IPA(key): /ˈɔː.θəʊ/ (General American) IPA(key): /ˈoɹ.θoʊ/ Rhymes: -ɔː(ɹ)θəʊ Hyphenation: or‧tho === Noun === ortho (countable and uncountable, plural orthos) (countable, chemistry) An isomer of a benzene derivative having two substituents adjacent on the ring. (countable, astronomy) A certain type of flat eyepiece. (countable, photography, dated) An orthochromatic plate. (countable, linguistics) Clipping of orthography. (countable, photography) Clipping of orthophoto. (uncountable, medicine) Clipping of orthopedics. === Anagrams === Rooth, thoro == Dutch == === Pronunciation === IPA(key): /ˈɔr.toː/ Rhymes: -ɔrtoː Hyphenation: or‧tho === Noun === ortho c (plural ortho's, diminutive orthootje n) (informal) clipping of orthodontist or orthodontiste == French == === Etymology === clipping of words beginning with ortho- (4) The pejorative use of the term is from orthopédagogue (a kind of teacher assigned to students having difficulties) which came, by association, to designate people requiring such services. === Pronunciation === IPA(key): /ɔʁ.to/ === Noun === ortho m or f by sense (plural orthos) a spelling (of a word) an orthodontist a speech therapist (Quebec, offensive) an idiot, a retard (medicine) an orthoscopic eyepiece === References === “ortho”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012