	Site Map \| FAQ in Daily Almanac for Feb 13, 2012
Skip Navigation Home Black History Month Atlas Encyclopedia Dictionary Thesaurus Features Quizzes Timelines Countries

Fact Monster Kid's reference,
games, quizzes

Editor's Favorites

| Share

Dictionary

Ob

Pronunciation: (ôb, ob; Russ. ôp), [key]
—n.
1. a river in the W Russian Federation in Asia, flowing NW to the Gulf of Ob. 2500 mi. (4025 km) long.
2. Gulf of, an inlet of the Arctic Ocean. ab. 500 mi. (800 km) long.

OB

1. Also,ob Med.
a. obstetrical.
b. obstetrician.
c. obstetrics.
2. off Broadway.
3. opening of books.
4. ordered back.

ob-

a prefix meaning “toward,” “to,” “on,” “over,” “against,” orig. occurring in loanwords from Latin, but now used also, with the sense of “reversely,” “inversely,” to form Neo-Latin and English scientific terms: object; obligate; oblanceolate. Also,o-,oc-,of-,op-.

ob.

1. he died; she died.
2. incidentally.
3. oboe.
4. Meteorol.observation.

O.B.

1. opening of books.
2. ordered back. Also,O/B

Oaxaca

oba

See also:

Ob (Thesaurus)
Ob (Encyclopedia)

Dictionary

Ob

OB

ob-

ob.

O.B.

Related Content