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View synonyms for os

os

1

[ os ]

noun

, plural os·sa [os, -, uh].
  1. Anatomy, Zoology. a bone.


O.S.

2
or o.s.

abbreviation for

  1. (in prescriptions) the left eye.

os

3

[ os ]

noun

, plural o·ra [awr, -, uh, ohr, -, uh].
  1. Anatomy, Zoology. a mouth or orifice of the body.

O.S.

4

abbreviation for

  1. (of the calendar) Old Style ( def 2 ).
  2. ordinary seaman. Also o.s.

os

5

[ ohs ]

noun

, plural o·sar [oh, -sahr].
  1. Geology. an esker, especially when of great length.

Os

6
  1. Symbol, Chemistry. osmium.

OS

7

abbreviation for

  1. Old Saxon ( def ). Also O.S.

o/s

8
  1. (of the calendar) Old Style.
  2. out of stock.
  3. (in banking) outstanding.

O/S

9
  1. (of the calendar) Old Style.

os

1

/ əʊs /

noun

  1. See esker
    another name for esker


Os

2

the chemical symbol for

  1. osmium

o.s.

3

abbreviation for

  1. out of stock
  2. banking outstanding

os

4

/ ɒs /

noun

  1. See bone
    anatomy the technical name for bone

OS

5

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)

os

6

/ ɒs /

noun

  1. anatomy zoology a mouth or mouthlike part or opening

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Word History and Origins

Origin of os1

First recorded in 1540–50; from Latin os (inflectional stem oss- ) “bone”

Origin of os2

From Latin oculus sinister

Origin of os3

First recorded in 1730–40; from Latin ōs (inflectional stem ōr- ) “mouth”

Origin of os4

First recorded in 1840–50 as osar (plural); from Swedish ås (plural åsar ) “ridge (of a hill),” from Old Norse áss “thick pole or main beam; rocky ridge”

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Word History and Origins

Origin of os1

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

Origin of os2

C16: from Latin: bone; compare Greek osteon

Origin of os3

C18: from Latin

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Example Sentences

Losing your iPhone in a taxi is an ancient form of losing the OS you love.

The female OS names herself Samantha (voiced by Scarlett Johansson) and before long, Theodore finds himself falling for her.

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.

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.

That's why instead of bringing the Mac OS down to its new devices, Apple is bringing the closed iPhone system up.

The ashes were then collected in a cloth to be dried, and the ceremonial bone , called os resectum, was buried.

The latter have the os zygomaticus large, whereas it is small in this animal.

The os sacrum is composed of five vertebr, as in man, but in apes or monkeys of only three.

Like numerous other nouns, it has its diminutive in os, its plural in wug, and its local form in ing.

Os-ce-o-l, the Black Drink; a warrior of very great distinction.

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orzoO.S.A.