Ob

Ob

[awb, ob; Russian awp]
noun
1.
a river in the W Russian Federation in Asia, flowing NW to the Gulf of Ob. 2500 miles (4025 km) long.
2.
an inlet of the Arctic Ocean. About 500 miles (800 km) long.
Dictionary.com Unabridged

OB

1.
Also, ob. Medicine/Medical.
2.
off Broadway.
3.
opening of books.
4.
ordered back.

ob-

a prefix meaning “toward,” “to,” “on,” “over,” “against,” originally 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-.


Origin:
Middle English (< Old French) < Latin, representing ob (preposition); in some scientific terms, < Neo-Latin, Latin ob-

ob.

1
he died; she died.

Origin:
< Latin obiit

ob.

2

Origin:
< Latin obiter

ob.

3
1.
2.
Meteorology, observation.

O.B.

1.
opening of books.
2.
ordered back.
Also, O/B.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
Ob (Russian ɔpj)
 
n
a river in N central Russia, formed at Bisk by the confluence of the Biya and Katun Rivers and flowing generally north to the Gulf of Ob (an inlet of the Arctic Ocean): one of the largest rivers in the world, with a drainage basin of about 2 930 000 sq km (1 131 000 sq miles). Length: 3682 km (2287 miles)

OB
 
abbreviation for
1.  Old Boy
2.  outside broadcast

ob.
 
abbreviation for
1.  (on tombstones) obiit
2.  obiter
3.  oboe
 
[(for sense 1) Latin: he (or she) died; (for sense 2) Latin: incidentally; in passing]

ob-
 
prefix
inverse or inversely: obovate
 
[from Old French, from Latin ob. In compound words of Latin origin, ob- (and oc-, of-, op-) indicates: to, towards (object); against (oppose); away from (obsolete); before (obstetric); down, over (obtect); for the sake of (obsecrate); and is used as an intensifier (oblong)]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

ob-
prefix meaning "toward, against, across, down," also used as an intensive, from L. ob "toward, against, in the way of, about, before," from PIE base *opi- (cf. Oscan op, Gk. opi- "behind," Hittite appizzis "younger," Lith. ap- "about, near," Gk. epi "on, upon").
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

OB abbr.
obstetrics

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Abbreviations & Acronyms
ob
obvious
OB
  1. obstetric

  2. obstetrics

  3. obstetrician

  4. off Broadway

ob.
  1. Latin obiit (he or she died)

  2. Latin obiter (incidentally)

  3. oboe

Ob.
Obadiah
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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