OB

See also: Appendix:Variations of "ob"

English

Noun

OB (countable and uncountable, plural OBs)

1. (sports) Initialism of Olympic best.

   Coordinate terms: OR, PB, SB, WB

2. (television, radio) Initialism of outside broadcast.
3. Initialism of old boy. (male graduate; also a CB radio operator's term of address for a male)
4. Abbreviation of obstetrician.
   • 1989, Contemporary Obstetrics-gynecology, volume 33, page 200:

     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.

5. Abbreviation of obstetrics.
6. Abbreviation of Old Babylonian.

Adjective

OB (not comparable)

1. Abbreviation of obstetric.
2. (golf) Initialism of out of bounds.
3. Abbreviation of obligatory. (as in "ob. link" on Usenet) (see ObLink at c2.com; see also ob-)
4. Abbreviation of Old Babylonian.

Derived terms

• OB marker

Anagrams

• BO, Bo, bo

German

Pronunciation

• IPA^(key): /oːˈbeː/

• Audio:

  (file)

Noun

OB m (strong, genitive OBs, plural OBs)

1. Abbreviation of Oberbürgermeister.
2. Abbreviation of Oberbefehlshaber.
3. Abbreviation of Oberbootsmann.

Japanese

Etymology

From English OB (“old boy”).

Noun

OB(オービー) • (ōbī) 

1. male graduate

   Synonym: 卒業生

Related terms

• OG (OG)

Latin

Noun

OB

1. (money) Abbreviation of obryzum, pure gold, refined gold.
   • 4th century coinage mint marks:

     CONOB [Constantinopoli obryzum]

     CONOB [pure gold, Constantinople mint]

Coordinate terms

• PS (pure silver)