<s>
Dictionary	B-Operating_System
is	O
an	O
application	B-Application
developed	O
by	O
Apple	O
Inc	O
.	O
as	O
a	O
part	O
of	O
macOS	B-Application
.	O
</s>
<s>
The	O
application	B-Application
provides	O
definitions	O
and	O
synonyms	O
from	O
various	O
dictionaries	B-Operating_System
,	O
Wikipedia	O
articles	O
and	O
a	O
glossary	O
of	O
Apple-related	O
terms	O
.	O
</s>
<s>
Dictionary	B-Operating_System
was	O
introduced	O
in	O
OS	B-Application
X	I-Application
10.4	I-Application
with	O
the	O
New	O
Oxford	O
American	O
Dictionary	B-Operating_System
and	O
Oxford	O
American	O
Writer	O
's	O
Thesaurus	O
(	O
as	O
well	O
as	O
the	O
Wikipedia	O
and	O
Apple	B-Operating_System
Dictionary	I-Operating_System
sections	O
)	O
.	O
</s>
<s>
10.5	B-Application
added	O
Japanese	O
dictionaries	B-Operating_System
,	O
10.7	B-Application
added	O
the	O
British	O
Oxford	O
Dictionary	B-Operating_System
of	O
English	O
,	O
and	O
10.8	B-Operating_System
added	O
French	O
,	O
German	O
,	O
Spanish	O
and	O
Chinese	O
.	O
</s>
<s>
OS	O
X	O
's	O
progenitor	O
,	O
OPENSTEP	B-Operating_System
(	O
and	O
NEXTSTEP	B-Application
)	O
provided	O
similar	O
functionality	O
,	O
called	O
Digital	O
Webster	O
,	O
providing	O
dictionary	B-Operating_System
and	O
thesaurus	O
definitions	O
from	O
Webster	O
's	O
Ninth	O
New	O
Collegiate	O
Dictionary	B-Operating_System
and	O
Webster	O
's	O
Collegiate	O
Thesaurus	O
(	O
termed	O
the	O
"	O
First	O
Digital	O
Edition	O
"	O
)	O
.	O
</s>
<s>
OPENSTEP	B-Operating_System
Services	O
provide	O
lookup	O
from	O
all	O
applications	O
.	O
</s>
<s>
Dictionary	B-Operating_System
was	O
first	O
introduced	O
with	O
Mac	B-Application
OS	I-Application
X	I-Application
v10.4	I-Application
"	I-Application
Tiger	I-Application
"	I-Application
and	O
provided	O
definitions	O
from	O
the	O
New	O
Oxford	O
American	O
Dictionary	B-Operating_System
,	O
2nd	O
Edition	O
.	O
</s>
<s>
With	O
Mac	B-Application
OS	I-Application
X	I-Application
10.7	I-Application
"	I-Application
Lion	I-Application
"	I-Application
,	O
Dictionary	B-Operating_System
was	O
updated	O
to	O
the	O
Third	O
Edition	O
of	O
the	O
New	O
Oxford	O
American	O
Dictionary	B-Operating_System
and	O
the	O
British	O
Oxford	O
Dictionary	B-Operating_System
of	O
English	O
was	O
added	O
.	O
</s>
<s>
The	O
application	B-Application
will	O
perform	O
an	O
incremental	O
search	O
to	O
show	O
any	O
matching	O
headwords	O
or	O
forms	O
and	O
will	O
try	O
to	O
bypass	O
spelling	O
errors	O
.	O
</s>
<s>
Clicking	O
on	O
any	O
word	O
in	O
a	O
definition	O
searches	O
for	O
that	O
word	O
in	O
the	O
dictionary	B-Operating_System
again	O
.	O
</s>
<s>
The	O
dictionary	B-Operating_System
and	O
thesaurus	O
in	O
Dictionary	B-Operating_System
are	O
in	O
an	O
XML	B-Protocol
format	O
,	O
but	O
make	O
use	O
of	O
precompiled	O
binary	O
index	O
files	O
to	O
access	O
the	O
XML	B-Protocol
file	O
directly	O
.	O
</s>
<s>
Therefore	O
,	O
the	O
lexicon	B-Application
cannot	O
easily	O
be	O
modified	O
.	O
</s>
<s>
However	O
,	O
the	O
user	O
can	O
add	O
new	O
words	O
to	O
the	O
macOS	B-Application
system-wide	O
spell	B-Application
checker	I-Application
,	O
which	O
uses	O
its	O
own	O
lexicon	B-Application
.	O
</s>
<s>
In	O
applications	O
which	O
support	O
"	O
Services	O
"	O
,	O
there	O
is	O
an	O
option	O
in	O
the	O
application	B-Application
menu	O
(	O
for	O
example	O
,	O
Safari>Services>Look	O
up	O
in	O
Dictionary	B-Operating_System
)	O
which	O
brings	O
up	O
the	O
Dictionary	B-Operating_System
application	B-Application
and	O
displays	O
the	O
definition	O
of	O
a	O
selected	O
word	O
.	O
</s>
<s>
The	O
key	O
combination	O
can	O
be	O
used	O
in	O
Cocoa	B-Operating_System
applications	O
which	O
display	O
text	O
–	O
it	O
brings	O
up	O
a	O
small	O
contextual	O
menu-like	O
definition	O
or	O
synonym	O
of	O
the	O
word	O
under	O
the	O
cursor	B-Application
.	O
</s>
<s>
As	O
of	O
Mac	B-Application
OS	I-Application
X	I-Application
Lion	I-Application
,	O
a	O
three	O
finger	O
tap	O
on	O
the	O
trackpad	O
(	O
either	O
the	O
built-in	O
MacBook	B-Device
trackpad	O
or	O
the	O
Magic	B-Device
Trackpad	I-Device
)	O
has	O
the	O
same	O
effect	O
as	O
the	O
shortcut	O
.	O
</s>
<s>
In	O
applications	O
which	O
support	O
the	O
ability	O
of	O
the	O
user	O
to	O
drag	O
selected	O
text	O
,	O
it	O
is	O
possible	O
to	O
select	O
a	O
word	O
and	O
drop	O
it	O
onto	O
the	O
icon	O
of	O
the	O
Dictionary	B-Operating_System
application	B-Application
in	O
the	O
Dock	O
.	O
</s>
<s>
Dashboard	B-Application
includes	O
a	O
widget	O
for	O
accessing	O
the	O
Dictionary	B-Operating_System
application	B-Application
.	O
</s>
<s>
macOS	B-Application
catches	O
any	O
queries	O
to	O
the	O
dict:///	O
URI	O
scheme	O
,	O
say	O
from	O
a	O
web	O
browser	O
,	O
and	O
routes	O
them	O
back	O
to	O
the	O
Dictionary	B-Operating_System
application	B-Application
.	O
</s>
<s>
Since	O
OS	B-Application
X	I-Application
Leopard	I-Application
,	O
the	O
dictionary	B-Operating_System
has	O
become	O
tightly	O
integrated	O
with	O
Spotlight	B-Application
,	O
allowing	O
users	O
to	O
view	O
definitions	O
from	O
immediately	O
within	O
the	O
system	O
search	O
.	O
</s>
<s>
Mac	B-Application
OS	I-Application
X	I-Application
10.5	I-Application
(	O
Leopard	B-Application
)	O
added	O
the	O
Japanese-language	O
dictionary	B-Operating_System
Daijisen	O
,	O
Progressive	O
English	O
to	O
Japanese	O
and	O
Progressive	O
Japanese	O
to	O
English	O
dictionaries	B-Operating_System
,	O
and	O
the	O
25,000	O
-entry	O
thesaurus	O
,	O
all	O
of	O
which	O
are	O
provided	O
by	O
the	O
Japanese	O
publisher	O
Shogakukan	O
.	O
</s>
<s>
The	O
Japanese	O
dictionaries	B-Operating_System
do	O
not	O
show	O
up	O
by	O
default	O
and	O
must	O
be	O
enabled	O
in	O
Preferences	O
.	O
</s>
<s>
In	O
OS	B-Operating_System
X	I-Operating_System
10.8	I-Operating_System
Mountain	I-Operating_System
Lion	I-Operating_System
,	O
the	O
Japanese	O
dictionaries	B-Operating_System
were	O
replaced	O
by	O
Super	O
Daijirin	O
and	O
the	O
Wisdom	O
English-Japanese	O
Dictionary	B-Operating_System
.	O
</s>
<s>
In	O
addition	O
,	O
dictionaries	B-Operating_System
were	O
also	O
added	O
for	O
French	O
(	O
Multidictionnaire	O
de	O
la	O
Langue	O
Française	O
for	O
Macs	O
sold	O
in	O
Europe	O
,	O
or	O
Les	O
Éditions	O
Québec	O
Amérique	O
for	O
Macs	O
sold	O
in	O
America	O
)	O
,	O
German	O
(	O
Duden	O
)	O
,	O
Spanish	O
(	O
Vox	O
)	O
,	O
and	O
Chinese	O
(	O
Standard	O
Dictionary	B-Operating_System
of	O
Contemporary	O
Chinese	O
)	O
.	O
</s>
<s>
Software	O
such	O
as	O
DictUnifier	O
can	O
be	O
used	O
to	O
add	O
more	O
dictionaries	B-Operating_System
to	O
the	O
application	B-Application
.	O
</s>
<s>
+	O
TypeLanguage(s )	O
Original	O
nameEnglish	O
namePublisherLanguage	O
ALanguage	O
BMonolingualEnglish	O
(	O
US	O
)	O
New	O
Oxford	O
American	O
DictionaryOxford	O
University	O
PressMonolingualEnglish	O
(	O
UK	O
)	O
Oxford	O
Dictionary	B-Operating_System
of	O
EnglishOxford	O
University	O
PressMonolingualNorwegian	O
BokmålNorsk	O
OrdbokNorwegian	O
Monolingual	O
DictionaryKunnskapsforlaget	O
ANS	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualDanishPolitikens	O
Nudansk	O
OrdbogPolitikens	O
Modern	O
Danish	O
DictionaryPolitikens	O
Forlagshus	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualSwedishNE	O
OrdbokNE	O
DictionaryNationalencyklopedin	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualDutchPrisma	O
woordenboek	O
NederlandsUitgeverij	O
Unieboek	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualGermanDuden-Wissensnetz	O
deutsche	O
SpracheBibliographisches	O
Institut	O
GmbH	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualFrenchMultidictionnaire	O
de	O
la	O
language	O
françaisLes	O
Éditions	O
Québec	O
Amérique	O
Inc	O
.	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualPortugueseDicionário	O
de	O
PortuguêsEditora	O
Objetiva	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualSpanishDiccionario	O
General	O
de	O
la	O
Lengua	O
Española	O
VoxLarousse	O
Editorial	O
,	O
S.L.	O
</s>
<s>
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualItalianUn	O
dizionario	O
italianoMondadori	O
Education	O
S.p.A.	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualRussianТолковый	O
словарь	O
русского	O
языкаExplanatory	O
Dictionary	B-Operating_System
of	O
the	O
Russian	O
Language	O
"	O
Universe	O
and	O
Education	O
"	O
Publishing	O
House	O
Ltd	O
.	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualTurkishArkadaş	O
Türkçe	O
SözlükArkadaş	O
Publishing	O
LTD	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualHebrewמילון	O
אבן-שושן	O
מחודש	O
ומותאם	O
לשנות	O
האלפייםEven-Shoshan	O
Dictionary	B-Operating_System
Renewed	O
and	O
Updated	O
for	O
the	O
21st	O
CenturyThe	O
New	O
Dictionary	B-Operating_System
Ltd	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualHindiराजपाल	O
हिन्दी	O
शब्दकोशRajpal	O
Hindi	O
DictionaryRajpal	O
&	O
Sons	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualThaiพจนานุกรมไทย	O
ฉบับทันสมัยและสมบูรณ์Complete	O
Thai	O
DictionarySe-Education	O
PLC	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualKorean뉴에이스	O
국어사전New	O
Ace	O
Korean	O
Language	O
DictionaryDIOTEK	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualJapaneseスーパー大辞林Super	O
Daijirin	O
Japanese	O
DictionarySanseido	O
Co.	O
,	O
Ltd	O
.	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualChinese	O
(	O
simplified	O
)	O
现代汉语规范词典The	O
Standard	O
Dictionary	B-Operating_System
of	O
Contemporary	O
ChineseOxford	O
University	O
Press	O
&	O
Foreign	O
Language	O
Teaching	O
and	O
Research	O
Publishing	O
,	O
Co.	O
,	O
Ltd.MonolingualChinese	O
(	O
traditional	O
)	O
五南國語活用辭典Wu-Nan	O
Chinese	O
DictionaryWu-Nan	O
Book	O
Inc	O
.	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
MonolingualChinese	O
(	O
traditional	O
,	O
Hong	O
Kong	O
)	O
商務新詞典	O
（全新版）	O
Commercial	O
New	O
Dictionary	B-Operating_System
for	O
common	O
word	O
or	O
characterCommercial	O
Press	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
ThesaurusEnglish	O
(	O
US	O
)	O
Oxford	O
American	O
Writer	O
's	O
ThesaurusOxford	O
University	O
PressThesaurusEnglish	O
(	O
UK	O
)	O
Oxford	O
Thesaurus	O
of	O
EnglishOxford	O
University	O
PressThesaurusChinese	O
(	O
simplified	O
)	O
现代汉语同义词典Modern	O
Thesaurus/Synonyms	O
&	O
AntonymsShanghai	O
Lexicographical	O
Publishing	O
House	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
BilingualChineseJapanese超級クラウン中日辞典Sanseido	O
's	O
Super	O
Crown	O
Chinese-Japanese	O
DictionarySanseido	O
Company	O
Ltd	O
.	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
JapaneseChineseクラウン日中辞典Sanseido	O
's	O
Crown	O
Japanese-Chinese	O
DictionaryBilingualDutchEnglishPrisma	O
Handwoordenboek	O
EngelsUitgeverij	O
Unieboek	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
BilingualGermanEnglishOxford	O
German	O
DictionaryOxford	O
University	O
PressBilingualFrenchEnglishOxford-Hachette	O
French	O
DictionaryOxford	O
University	O
Press	O
&	O
Hachette	O
LivreBilingualPortugueseEnglishOxford	O
Portuguese	O
DictionaryOxford	O
University	O
PressBilingualSpanishEnglishGran	O
Diccionario	O
Oxford	O
-	O
Español-InglésOxford	O
Spanish	O
DictionaryOxford	O
University	O
PressEnglishSpanishGran	O
Diccionario	O
Oxford	O
-	O
Inglés-EspañolBilingualEnglishItalianOxford	O
Paravia	O
Il	O
Dizionario	O
inglese	O
-	O
italianoOxford	O
-	O
Paravia	O
Italian	O
DictionaryPearson	O
Italia	O
&	O
Oxford	O
University	O
PressItalianEnglishOxford	O
Paravia	O
Il	O
Dizionario	O
italiano	O
-	O
ingleseBilingualPolishEnglishWielki	O
słownik	O
polsko-angielskiOxford	O
PWN	O
Polish-English	O
DictionaryWydawnictwo	O
Naukowe	O
PWN	O
S.A.	O
&	O
Oxford	O
University	O
PressBilingualRussianEnglishOxford	O
Russian	O
DicitonaryOxford	O
University	O
PressBilingualArabicEnglishOxford	O
Arabic	O
DictionaryOxford	O
University	O
PressBilingualHindiEnglishThe	O
Oxford	O
Hindi	O
English	O
DictionaryOxford	O
University	O
PressEnglishHindiOxford	O
English-English-Hindi	O
DictionaryBilingualEnglishThaiพจนานุกรมอั	O
งกฤษ-ไทย	O
&	O
ไทย-อ	O
ังกฤษ	O
ฉบับทันสมัยและสมบูรณ์ที่สุดNew	O
SE-ED	O
English-Thai	O
&	O
Thai-English	O
DictionaryDr	O
.	O
</s>
<s>
Wit	O
Theingburanathum	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
ThaiEnglishBilingualVietnameseEnglishLac	O
Viet	O
DictioanryLac	O
Viet	O
Computing	O
Corp	O
.	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
BilingualEnglishKorean뉴에이스	O
영한사전New	O
Ace	O
English-Korean	O
DictionaryDIOTEK	O
Co.	O
,	O
Ltd	O
.	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
KoreanEnglish뉴에이스	O
한영사전New	O
Ace	O
Korean-English	O
DictionaryBilingualEnglishJapaneseウィズダム英和辞典The	O
Wisdom	O
English-Japanese	O
DictionarySanseido	O
Company	O
Ltd	O
.	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
JapaneseEnglishウィズダム和英辞典The	O
Wisdom	O
Japanese-English	O
DictionaryBilingualIndonesianEnglishOxford	O
Study	O
Indonesian	O
DictionaryOxford	O
University	O
PressBilingualCantoneseEnglish英譯廣東口語詞典A	O
Dictionary	B-Operating_System
of	O
Cantonese	O
Colloquialisms	O
in	O
EnglishCommercial	O
Press	O
(	O
licensed	O
to	O
University	O
Press	O
)	O
BilingualEnglishGujaratiGujarati	O
Lexicon	B-Application
English-GujaratiGujarati	O
Lexicon	B-Application
&	O
Oxford	O
University	O
PressGujaratiEnglishGujarati-English	O
DictionariesBilingualTamilEnglishOxford	O
Tamil-Tamil-English	O
DictionariesOxford	O
University	O
PressEnglishTamilOxford	O
English-English-Tamil	O
DictionariesBilingualEnglishTeluguOxford	O
English-English-Telugu	O
DictionaryOxford	O
University	O
PressTeluguEnglishOxford	O
Telugu-English	O
DictionaryBilingualEnglishUrduOxford	O
English-Urdu	O
DictionaryOxford	O
University	O
PressUrduEnglishOxford	O
Urdu-English	O
DictionaryBilingualFrenchGermanPONS	O
Großwörterbuch	O
Französisch	O
–	O
DeutschPONS	O
GmbH	O
(	O
licensed	O
to	O
Oxford	O
University	O
Press	O
)	O
GermanFrenchPONS	O
Großwörterbuch	O
Deutsch	O
–	O
FranzösischBilingualEnglishChinese	O
(	O
simplified	O
)	O
牛津英汉汉英词典Oxford	O
Chinese	O
DictionaryOxford	O
University	O
Press	O
&	O
Foreign	O
Language	O
Teaching	O
and	O
Research	O
Publishing	O
Co.	O
,	O
Ltd.Chinese	O
(	O
simplified	O
)	O
EnglishBilingualEnglishChinese	O
(	O
traditional	O
)	O
譯典通英漢雙向字典Dr	O
.	O
</s>
