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British-English Dictionary (GB)

A strict British-English spell checker dictionary for Firefox, Thunderbird and SeaMonkey. This dictionary only includes words conforming to the preferred standard of British-English spelling.

Rated 5 out of 5 stars (1)
22,361 users

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British English Dictionary (Marco Pinto)

A fork of Mark Tyndall's add-on, based on David Bartlett's
British Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey.

V3.3.2 has 140 000+ new words and also fixes.

Rated 5 out of 5 stars (83)
171,393 users

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British English Dictionary

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.

To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".

Rated 3 out of 5 stars (413)
2,444 users

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United States English Spellchecker

This dictionary is no longer maintained. Use this dictionary instead.

Rated 4 out of 5 stars (207)
5,252 users

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English (Australian) Dictionary

Australian English Dictionary for Mozilla applications.

Rated 4 out of 5 stars (126)
9,614 users

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Canadian English Dictionary

For some reason, Mozilla doesn't have a Canadian localization team, but I know that even the British dictionary doesn't quite cut it for the truly patriotic.

Rated 4 out of 5 stars (82)
9,693 users

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English-Russian dictionary

Spelling of English and Russian words

Rated 4 out of 5 stars (22)
2,039 users

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Translate Filipino to English

Translate filipino to english with google translate service.

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4 weekly downloads

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Translate Estonian to English

Translate estonian to english with google translate service.

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12 weekly downloads

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AzerDict

AzerDict - English-Azerbaijani Bilingual Dictionary

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1 weekly download

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Google PL-EN-PL

Search in English-language-based pages using Polish language

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18 weekly downloads

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Translate German to English

Translate german to english with google translate service.

Rated 4 out of 5 stars (2)
27 weekly downloads

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English - Estonian

English > Estonian translation with aare.pri.ee online dictionary.

Rated 5 out of 5 stars (1)
1 weekly download

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Translate English to Czech

Translate english to czech with google translate service.

Rated 5 out of 5 stars (1)
20 weekly downloads

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Translate Hungarian to English

Translate hungarian to english with google translate service.

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4 weekly downloads

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Translate English to Irish

Translate english to irish with google translate service.

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5 weekly downloads

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Translate Arabic to English

Translate arabic to english with google translate service.

Rated 4 out of 5 stars (2)
10 weekly downloads

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Multilingual Dictionary

Multilingual Spellchecker - Dictionary

Rated 3 out of 5 stars (2)
5 users

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Dict

Looks up the definition of words on a Web page.

Rated 5 out of 5 stars (15)
5 users

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MyDict Online Chinese-English Dictionaries

MyDict All-in-one Online Chinese-English dictionary integrates all the online dictionaries like dict.cn, baidu, dictionary.com in one place. As sometimes you need to compare many online dictionaries to get the precise meaning, now you can use MyDict.

Rated 5 out of 5 stars (2)
0 weekly downloads

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