Ortho- Synonyms & Definitions

Synonyms are words that have the same or almost the same meaning and the definition is the detailed explanation of the word. This page will help you out finding the Definition & Synonyms of hundreds of words mentioned on this page. Check out the page and learn more about the English vocabulary.

• Ortho-Definition & Meaning in English

1. () 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.
2. () 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.
3. () A combining form signifying straight, right, upright, correct, regular; as, orthodromy, orthodiagonal, orthodox, orthographic.
4. () A combining form (also used adjectively)