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Jump to: General, Art, Business, Computing, Medicine, Miscellaneous, Religion, Science, Slang, Sports, Tech, Phrases
We found 21 dictionaries with English definitions that include the word ortho-:
Click on the first link on a line below to go directly to a page where "ortho-" is defined.
 General (16 matching dictionaries)
- ortho-: American Heritage Dictionary of the English Language [home, info]
- ortho-, ortho-: Collins English Dictionary [home, info]
- ortho-: Wordnik [home, info]
- Ortho-: Wiktionary [home, info]
- ortho-: Compact Oxford English Dictionary [home, info]
- ortho-: Webster's New World College Dictionary, 4th Ed. [home, info]
- ortho-: The Wordsmyth English Dictionary-Thesaurus [home, info]
- Ortho-, ortho-: Dictionary.com [home, info]
- ortho-: Online Etymology Dictionary [home, info]
- Ortho-: Wikipedia, the Free Encyclopedia [home, info]
- Ortho-: Online Plain Text English Dictionary [home, info]
- ortho-: Webster's Revised Unabridged, 1913 Edition [home, info]
- Ortho-: AllWords.com Multi-Lingual Dictionary [home, info]
- ortho-: MyWord.info [home, info]
- ortho-: Free Dictionary [home, info]
- ortho-: Dictionary/thesaurus [home, info]
Art (1 matching dictionary)
- ortho-: A Cross Reference of Latin and Greek Elements [home, info]
Medicine (3 matching dictionaries)
- ortho-: online medical dictionary [home, info]
- ortho-: Neurotrauma Glossary [home, info]
- ortho-: Medical dictionary [home, info]
Miscellaneous (1 matching dictionary)
- ORTHO-: Acronym Finder [home, info]
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Quick definitions (ortho-)
() A combining form (also used adjectively)
() A combining form signifying straight, right, upright, correct, regular; as, orthodromy, orthodiagonal, orthodox, orthographic.
() Connection with, or affinity to, one variety of isomerism, characteristic of the benzene compounds; -- contrasted with meta- or para-; as, the ortho position; hence, designating any substance showing such isomerism; as, an ortho compound.
Ortho- () The one of several acids of the same element (as the phosphoric acids), which actually occurs with the greatest number of hydroxyl groups; as, orthophosphoric acid. Cf. Normal.
(This definition is from the 1913 Webster's Dictionary and may be outdated.)
▸ Word origin
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