os

[ os ]

/ ɒs /

noun, plural os·sa [os-uh]. /ˈɒs ə/.

Anatomy, Zoology. a bone.

Origin of os

Borrowed into English from Latin around 1540–50

Words nearby os

or whatever, -ory, Oryol, oryx, orzo, os, O.S.A., Osage, Osage orange, Osaka, Osasco

Definition for os (2 of 9)

os²

[ os ]

/ ɒs /

noun, plural o·ra [awr-uh, ohr-uh]. /ˈɔr ə, ˈoʊr ə/.

Anatomy, Zoology. a mouth or orifice of the body.

Origin of os

First recorded in 1730–40, os is from the Latin word ōs mouth

Definition for os (3 of 9)

os³

[ ohs ]

/ oʊs /

noun, plural o·sar [oh-sahr]. /ˈoʊ sɑr/.

Geology. an esker, especially when of great length.

Origin of os

<Swedish ås (plural åsar) ridge

Definition for os (4 of 9)

Symbol, Chemistry. osmium.

Definition for os (5 of 9)

abbreviation

Old Saxon. Also O.S.

Computers. operating system.

Definition for os (6 of 9)

o/s

(of the calendar) Old Style.

out of stock.

(in banking) outstanding.

Definition for os (7 of 9)

O/S

(of the calendar) Old Style.

Definition for os (8 of 9)

O.S.¹

or o.s.

(in prescriptions) the left eye.

Origin of O.S.

From Latin oculus sinister

Definition for os (9 of 9)

O.S.²

abbreviation

Old Saxon. Also OS

(of the calendar) Old Style (def. 2).

ordinary seaman. Also o.s.

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for os

Losing your iPhone in a taxi is an ancient form of losing the OS you love.
How ‘Her’ Gets the Future Right|Andrew Romano|December 21, 2013|DAILY BEAST
OS X is needed to run Final Cut Pro, a state-of-the-art video editing software, and Linux is used to hack into wireless networks.
The Technology Propelling #OccupyWallStreet|Sam Schlinkert|October 6, 2011|DAILY BEAST
Down the road I would not be surprised if Apple finds a way to merge iOS and OS X into a single unified operating system.
Apple WWDC Unveils iOS, iCloud|Dan Lyons|June 6, 2011|DAILY BEAST
In the new 30-million-iPhones-strong Apple universe, OS X is old school.
Apple's Mac Killer Unveiled|Douglas Rushkoff|January 27, 2010|DAILY BEAST

From the occiput to the os frontis, his head was quite level and extraordinarily long.
The Rise of Canada, from Barbarism to Wealth and Civilisation|Charles Roger
If the os uteri be still undilated, and the hmorrhage going on, the plug must be returned.
A System of Midwifery|Edward Rigby
Claude os, aperi oculos—Keep thy mouth shut, 50 but thy eyes open.
Dictionary of Quotations from Ancient and Modern, English and Foreign Sources|James Wood
In some cases I have been induced, from the symptoms, to believe that the placenta was at the os uteri when it was not.
The Matron's Manual of Midwifery, and the Diseases of Women During Pregnancy and in Childbed|Frederick Hollick
If there is extensive comminution of the os calcis or astragalus, the malleoli may be a little lower than normal.
Surgery, with Special Reference to Podiatry|Maximilian Stern

British Dictionary definitions for os (1 of 6)

os¹

/ (ɒs) /

noun plural ossa (ˈɒsə)

anatomy the technical name for bone

Word Origin for os

C16: from Latin: bone; compare Greek osteon

British Dictionary definitions for os (2 of 6)

os²

/ (ɒs) /

noun plural ora (ˈɔːrə)

anatomy zoology a mouth or mouthlike part or opening

Word Origin for os

C18: from Latin

British Dictionary definitions for os (3 of 6)

os³

/ (əʊs) /

noun plural osar (ˈəʊsɑː)

another name for esker

Word Origin for os

C19 osar (pl), from Swedish ås (sing) ridge

British Dictionary definitions for os (4 of 6)

the chemical symbol for

osmium

British Dictionary definitions for os (5 of 6)

abbreviation for

Old School

Old Style (method of reckoning dates)

Ordinary Seaman

(in Britain) Ordnance Survey

outsize

Old Saxon (language)

British Dictionary definitions for os (6 of 6)

o.s.

OS or O/S

abbreviation for

out of stock

banking outstanding

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for os (1 of 4)

os 1¹

[ ŏs ]

n. pl. o•ra (ôr′ə)

An opening into a hollow organ or canal.

The oral cavity; mouth.

Medical definitions for os (2 of 4)

os 2²

[ ŏs ]

n. pl. os•sa (ŏs′ə)

Bone.

Medical definitions for os (3 of 4)

The symbol for the elementosmium

Medical definitions for os (4 of 4)

abbr.

oculus sinister (left eye)

Scientific definitions for os

The symbol for osmium.

单词	os
释义	os ¹ [ os ] / ɒs / noun, plural os·sa [os-uh]. /ˈɒs ə/. Anatomy, Zoology. a bone. Origin of os ¹ Borrowed into English from Latin around 1540–50 Words nearby os or whatever, -ory, Oryol, oryx, orzo, os, O.S.A., Osage, Osage orange, Osaka, Osasco Definition for os (2 of 9) os² [ os ] / ɒs / noun, plural o·ra [awr-uh, ohr-uh]. /ˈɔr ə, ˈoʊr ə/. Anatomy, Zoology. a mouth or orifice of the body. Origin of os ² First recorded in 1730–40, os is from the Latin word ōs mouth Definition for os (3 of 9) os³ [ ohs ] / oʊs / noun, plural o·sar [oh-sahr]. /ˈoʊ sɑr/. Geology. an esker, especially when of great length. Origin of os ³ <Swedish ås (plural åsar) ridge Definition for os (4 of 9) Os Symbol, Chemistry. osmium. Definition for os (5 of 9) OS abbreviation Old Saxon. Also O.S. Computers. operating system. Definition for os (6 of 9) o/s (of the calendar) Old Style. out of stock. (in banking) outstanding. Definition for os (7 of 9) O/S (of the calendar) Old Style. Definition for os (8 of 9) O.S.¹ or o.s. (in prescriptions) the left eye. Origin of O.S. ¹ From Latin oculus sinister Definition for os (9 of 9) O.S.² abbreviation Old Saxon. Also OS (of the calendar) Old Style (def. 2). ordinary seaman. Also o.s. Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for os Losing your iPhone in a taxi is an ancient form of losing the OS you love. How ‘Her’ Gets the Future Right\|Andrew Romano\|December 21, 2013\|DAILY BEAST OS X is needed to run Final Cut Pro, a state-of-the-art video editing software, and Linux is used to hack into wireless networks. The Technology Propelling #OccupyWallStreet\|Sam Schlinkert\|October 6, 2011\|DAILY BEAST Down the road I would not be surprised if Apple finds a way to merge iOS and OS X into a single unified operating system. Apple WWDC Unveils iOS, iCloud\|Dan Lyons\|June 6, 2011\|DAILY BEAST In the new 30-million-iPhones-strong Apple universe, OS X is old school. Apple's Mac Killer Unveiled\|Douglas Rushkoff\|January 27, 2010\|DAILY BEAST From the occiput to the os frontis, his head was quite level and extraordinarily long. The Rise of Canada, from Barbarism to Wealth and Civilisation\|Charles Roger If the os uteri be still undilated, and the hmorrhage going on, the plug must be returned. A System of Midwifery\|Edward Rigby Claude os, aperi oculos—Keep thy mouth shut, 50 but thy eyes open. Dictionary of Quotations from Ancient and Modern, English and Foreign Sources\|James Wood In some cases I have been induced, from the symptoms, to believe that the placenta was at the os uteri when it was not. The Matron's Manual of Midwifery, and the Diseases of Women During Pregnancy and in Childbed\|Frederick Hollick If there is extensive comminution of the os calcis or astragalus, the malleoli may be a little lower than normal. Surgery, with Special Reference to Podiatry\|Maximilian Stern British Dictionary definitions for os (1 of 6) os¹ / (ɒs) / noun plural ossa (ˈɒsə) anatomy the technical name for bone Word Origin for os C16: from Latin: bone; compare Greek osteon British Dictionary definitions for os (2 of 6) os² / (ɒs) / noun plural ora (ˈɔːrə) anatomy zoology a mouth or mouthlike part or opening Word Origin for os C18: from Latin British Dictionary definitions for os (3 of 6) os³ / (əʊs) / noun plural osar (ˈəʊsɑː) another name for esker Word Origin for os C19 osar (pl), from Swedish ås (sing) ridge British Dictionary definitions for os (4 of 6) Os the chemical symbol for osmium British Dictionary definitions for os (5 of 6) OS abbreviation for Old School Old Style (method of reckoning dates) Ordinary Seaman (in Britain) Ordnance Survey outsize Old Saxon (language) British Dictionary definitions for os (6 of 6) o.s. OS or O/S abbreviation for out of stock banking outstanding Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to os force, dash, juice, intensity, initiative, go, endurance, liveliness, application, animation, fortitude, effectiveness, might, exertion, life, efficacy, fire, ardor, activity, efficiency Medical definitions for os (1 of 4) os 1¹ [ ŏs ] n. pl. o•ra (ôr′ə) An opening into a hollow organ or canal. The oral cavity; mouth. Medical definitions for os (2 of 4) os 2² [ ŏs ] n. pl. os•sa (ŏs′ə) Bone. Medical definitions for os (3 of 4) Os The symbol for the elementosmium Medical definitions for os (4 of 4) OS abbr. oculus sinister (left eye) The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for os Os The symbol for osmium. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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os

noun, plural os·sa [os-uh]. /ˈɒs ə/.

Origin of os

Words nearby os

Definition for os (2 of 9)

noun, plural o·ra [awr-uh, ohr-uh]. /ˈɔr ə, ˈoʊr ə/.

Origin of os

Definition for os (3 of 9)

noun, plural o·sar [oh-sahr]. /ˈoʊ sɑr/.

Origin of os

Definition for os (4 of 9)

Definition for os (5 of 9)

abbreviation

Definition for os (6 of 9)

Definition for os (7 of 9)

Definition for os (8 of 9)

or o.s.

Origin of O.S.

Definition for os (9 of 9)

abbreviation

Example sentences from the Web for os

British Dictionary definitions for os (1 of 6)

noun plural ossa (ˈɒsə)

Word Origin for os

British Dictionary definitions for os (2 of 6)

noun plural ora (ˈɔːrə)

Word Origin for os

British Dictionary definitions for os (3 of 6)

noun plural osar (ˈəʊsɑː)

Word Origin for os

British Dictionary definitions for os (4 of 6)

the chemical symbol for

British Dictionary definitions for os (5 of 6)

abbreviation for

British Dictionary definitions for os (6 of 6)

OS or O/S

abbreviation for

Words related to os

Medical definitions for os (1 of 4)

n. pl. o•ra (ôr′ə)

Medical definitions for os (2 of 4)

n. pl. os•sa (ŏs′ə)

Medical definitions for os (3 of 4)

Medical definitions for os (4 of 4)

abbr.

Scientific definitions for os