OS 音標拼音: ['ɑs]
n . 骨,孔,穴裂口
骨,孔,穴裂口
os n 1 :
a mouth or mouthlike opening 2 :
a hard brittle blue -
grey or blue -
black metallic element that is one of the platinum metals ;
the heaviest metal known [
synonym :
{
osmium }, {
Os }, {
atomic number 76 }]
3 : (
computer science )
software that controls the execution of computer programs and may provide various services [
synonym :
{
operating system }, {
OS }]
4 :
the left eye [
synonym : {
oculus sinister }, {
OS }]
5 :
rigid connective tissue that makes up the skeleton of vertebrates [
synonym : {
bone }, {
os }]
O \
O \ ([=
o ]),
n .;
pl . {
O '
s }
or {
Oes } ([=
o ]
z ).
1 .
The letter O ,
or its sound . "
Mouthing out his hollow oes and aes ." --
Tennyson .
[
1913 Webster ]
2 .
Something shaped like the letter O ;
a circle or oval .
"
This wooden O [
Globe Theater ]". --
Shak .
[
1913 Webster ]
3 .
A cipher ;
zero . [
R .]
[
1913 Webster ]
Thou art an O without a figure . --
Shak .
[
1913 Webster ]
Os \
Os \,
n .;
pl . {
Ossa }. [
L .]
A bone .
[
1913 Webster ]
Os \
Os \,
n .;
pl . {
Ora }. [
L .]
A mouth ;
an opening ;
an entrance .
[
1913 Webster ]
Os \
Os \,
n .;
pl . {
Osar }. [
Sw . [*
a ]
s ridge ,
chain of hills ,
pl .
[*
a ]
sar .] (
Geol .)
One of the ridges of sand or gravel found in Sweden ,
etc .,
supposed by some to be of marine origin ,
but probably formed by subglacial waters .
The osar are similar to the kames of Scotland and the eschars of Ireland .
See {
Eschar }.
[
1913 Webster ]
Os \
Os \,
n . (
Chem .)
The chemical symbol for the element {
osmium }.
[
PJC ]
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