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ora

 [awr-uh, ohr-uh]   Example Sentences

o·ra

1   [awr-uh, ohr-uh]
noun
plural of os2.
Example Sentences
  • Clandestine scanning allows an adversary to energize and read tags from either close proximity ora distance.
Dictionary.com Unabridged

o·ra

2   [awr-uh, ohr-uh]
noun, plural o·ras, o·rae  [awr-ee, ohr-ee] .
a money of account of Anglo-Saxon England, introduced by the Danes and equal to about two shillings.
Origin:
before 950; < Old English ōra < Old Norse plural aurar monetary unit < Latin aureus aureus

os

1   [os]
noun, plural os·sa  [os-uh] .
Anatomy, Zoology. a bone.
Origin:
1540–50; < Latin

os

2   [os]
noun, plural o·ra  [awr-uh, ohr-uh] .
Anatomy, Zoology. a mouth or orifice of the body.
Origin:
1730–40; < Latin ōs mouth

os

3   [ohs]
noun, plural o·sar  [oh-sahr] .
Geology. an esker, especially when of great length.
Origin:
< Swedish ås (plural åsar) ridge
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
ora (ˈɔːrə)
 
—n
the plural of os

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

ora o·ra (ôr'ə)
n. pl. o·rae (ôr'ē)
An edge or margin.

OS abbr.
Latin oculus sinister (left eye)

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
Science Dictionary
osmium   (ŏz'mē-əm)  Pronunciation Key 
Symbol Os
A hard, brittle, bluish-white metallic element that is the densest naturally occurring element. It is used to make very hard alloys for fountain pen points, electrical contacts, and instrument pivots. Atomic number 76; atomic weight 190.2; melting point 3,000°C; boiling point 5,000°C; specific gravity 22.57; valence 2, 3, 4, 8. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Abbreviations & Acronyms
ORA
Orthopaedic Rehabilitation Association
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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