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ortho-

ortho- • comb. form 1. straight; rectangular; upright: orthodontics. ∎  right; correct: orthoepy. 2. Chem. denoting substitution at two adjacent carbon atoms in a benzene ring, e.g., in 1, 2 positions: orthodichlorobenzene. Compare with meta- and para-1 . 3. Chem. denoting a compound from which a meta-compound is formed by dehydration: orthophosphoric acid.

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"ortho-." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 24 Oct. 2017 <http://www.encyclopedia.com>.

"ortho-." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (October 24, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/ortho

"ortho-." The Oxford Pocket Dictionary of Current English. . Retrieved October 24, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/ortho

ortho-

ortho- before a vowel orth-, comb. form of Gr. orthós straight, right, correct. orthoepy correct pronunciation. XVII. — Gr. orthoépeia (épos word). orthography correct spelling. XV. — (O)F. — L. — Gr.

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"ortho-." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 24 Oct. 2017 <http://www.encyclopedia.com>.

"ortho-." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. (October 24, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/ortho-0

"ortho-." The Concise Oxford Dictionary of English Etymology. . Retrieved October 24, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/ortho-0

ortho-

ortho- From the Greek orthos, meaning ‘straight’, a prefix meaning ‘straight’, ‘rectangular’, or ‘correct’.

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"ortho-." A Dictionary of Ecology. . Encyclopedia.com. 24 Oct. 2017 <http://www.encyclopedia.com>.

"ortho-." A Dictionary of Ecology. . Encyclopedia.com. (October 24, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ortho

"ortho-." A Dictionary of Ecology. . Retrieved October 24, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ortho

ortho-

ortho- A prefix meaning ‘straight’, ‘rectangular’, or ‘correct’, derived from the Greek orthos, ‘straight’.

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"ortho-." A Dictionary of Zoology. . Encyclopedia.com. 24 Oct. 2017 <http://www.encyclopedia.com>.

"ortho-." A Dictionary of Zoology. . Encyclopedia.com. (October 24, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ortho-0

"ortho-." A Dictionary of Zoology. . Retrieved October 24, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/ortho-0

ortho-

ortho- combining form denoting
1. straight.

2. normal.

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"ortho-." A Dictionary of Nursing. . Encyclopedia.com. 24 Oct. 2017 <http://www.encyclopedia.com>.

"ortho-." A Dictionary of Nursing. . Encyclopedia.com. (October 24, 2017). http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/ortho

"ortho-." A Dictionary of Nursing. . Retrieved October 24, 2017 from Encyclopedia.com: http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/ortho