A·zov 
(ăzôf, āzôf, ə-zôf), Sea of
(ăzôf, āzôf, ə-zôf), Sea of The northern arm of the Black Sea between southwest Russia and southeast Ukraine. The shallow sea has important fisheries.
- orthogenetically
- orthogonal
- orthogonality
- orthogonally
- orthogonal projection
- orthograde
- orthographer
- orthographic
- orthographical
- orthographically
- orthographist
- orthography
- ortholog
- orthologous
- orthologue
- orthomolecular
- orthomyxovirus
- orthopaedics
- orthopedic
- orthopedically
- orthopedics
- orthopedist
- orthopsychiatric
- orthopsychiatrical
- orthopsychiatrist