ob

Definitions

1. A river in Russia; the westernmost of the three great Siberian rivers.
2. The set of objects of a category.
3. a halfpenny
   historical
4. an objection
   archaic
5. Initialism of Olympic best.
   abbreviation, alt-of, countable, initialism, uncountable
6. the obese gene
7. Initialism of outside broadcast.
   abbreviation, alt-of, countable, initialism, uncountable
8. observation
9. Initialism of outside broadcasting.
   abbreviation, alt-of, countable, initialism, uncountable
10. Initialism of old boy (a male graduate; also a CB radio operator's term of address for a male).
    abbreviation, alt-of, countable, initialism, uncountable
11. Abbreviation of obstetrician.
    abbreviation, alt-of, countable, uncountable
12. Abbreviation of obstetrics.
    abbreviation, alt-of, countable, uncountable
13. Abbreviation of Old Babylonian.
    abbreviation, alt-of, countable, uncountable

Equivalents

Examples

“One woman in ten is at risk⟳ — yet one-third of all women over 50 have⟳ never had a mammo! By making Pap tests routine, OBs and GYNs have⟳ saved many lives.”

CEFR level