ə, ˈoʊr noun
plural of os2.
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Ora
is always a great word to know.
So is flibbertigibbet. Does it mean:
| a stew of meat, vegetables, potatoes, etc. |
| a chattering or flighty, light-headed person. |
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To ora
Collins
os1 (ɒs) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n , pl ossa | |
| anatomy the technical name for bone | |
| [C16: from Latin: bone; compare Greek osteon] | |
| os2 (ɒs) | |
| —n , pl ora | |
| anatomy, zoology a mouth or mouthlike part or opening | |
| [C18: from Latin] | |
| os3 (əʊs) | |
| —n , pl osar | |
| another name for esker | |
| [C19 osar (pl), from Swedish ås (sing) ridge] | |
| Os | |
| —the chemical symbol for | |
| osmium | |
| OS | |
| —abbreviation for | |
| 1. | Old School |
| 2. | Old Style (method of reckoning dates) |
| 3. | Ordinary Seaman |
| 4. | (in Britain) Ordnance Survey |
| 5. | outsize |
| 6. | Old Saxon (language) |
| o.s., OS or O/S | |
| —abbreviation for | |
| 1. | out of stock |
| 2. | banking outstanding |
| OS, OS or O/S | |
| —abbreviation for | |
| O/S, OS or O/S | |
| —abbreviation for | |
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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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 1 (ŏs)
n. pl. o·ra (ôr'ə)
An opening into a hollow organ or canal.
The oral cavity; mouth.
os 2 (ŏs)
n. pl. os·sa (ŏs'ə)
Bone.
Os
The symbol for the element osmium.
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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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
| O
The symbol for oxygen. |
| Os
The symbol for osmium. |
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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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang Dictionary
OS
/O-S/1. [Operating System] n. An abbreviation heavily used in email, occasionally in speech.
2. n. obs. On ITS, an output spy. See "OS and JEDGAR" in Appendix A.
Jargon
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American Heritage
Abbreviations & Acronyms
| ORA Orthopaedic Rehabilitation Association |
| Os osmium |
OS
|
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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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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