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ortho

8 ENTRIES FOUND:
  1. 1) ortho (adjective)
  2. 2) ortho (adjective)
  3. Ortho Evra (trademark)
  4. Ortho-Novum (trademark)
  5. Ortho Tri-Cyclen (trademark)
  6. dinitro-o-cresol (noun)
  7. orth- (prefix)
  8. orth- (combining form)

1or·tho

adj \ˈȯr-(ˌ)thō\

Definition of ORTHO

1
: derived from or being an acid in the highest hydrated or hydroxylated form known
2
: relating to, characterized by, or being two neighboring positions in the benzene ring

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