Tonga Top Sites for Dictionaries And Encyclopedias

    Wikipedia

    A free encyclopedia built collaboratively using wiki software. (Creative Commons Attribution-ShareAlike License).

    wikipedia.org

    Quora Market Research

    Quora is your best source for knowledge. Quora aims to be the easiest place to write new content and share content from the web.

    quora.com

    Urban Dictionary

    A veritable cornucopia of streetwise lingo, posted and defined by its readers.

    urbandictionary.com

    The Free Dictionary

    English, Medical, Legal, and Computer Dictionaries, Thesaurus, Encyclopedia, a Literature Reference Library, and a Search Engine all in one!

    thefreedictionary.com

    Dictionary.com

    The world's most popular dictionary and thesaurus with definitions, synonyms, antonyms, idioms, word origins, quotes, audio pronunciations, example sentences and Word of the Day! Look up the meaning of words, slang, phrases, idioms, and abbreviations in o

    dictionary.reference.com

    Dictionary.com

    Reference.com - a free online encyclopedia and information reference. Research articles from Columbia Encyclopedia and Encyclopedia Britannica.

    reference.com

    Cambridge Dictionary

    Free online dictionary from Cambridge University Press.

    dictionary.cambridge.org

    Information Please

    On-Line dictionary, Internet encyclopedia, and almanac reference.

    infoplease.com

    Metric Conversions

    Provides free online conversion tools, which can be added to any websites. It also offers metric conversion tables for download and print.

    metric-conversions.org

    wikipedia.de - Wikipedia, die freie Enzyklopädie

    Eine freie Enzyklopädie, welche in Gemeinschaftsarbeit mit Hilfe eines Wikis erstellt wird. Alle Texte werden unter der GNU-Lizenz für Freie Dokumentation veröffentlicht. Bei diesem offenen Projekt kann jeder sofort mitarbeiten.

    wikipedia.de