Online Reference Sources

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Online Reference Sources

  • General Encyclopedia

    It is a free encyclopedia, provides users with more than 57,000 frequently updated articles from Columbic Encyclopedia,6th edition.Each article is enhanced with links to newspapers and magazine article as well as pictures and maps--all provided by High Beam Research.

  • Technical Encyclopedia

    For Experts and Novices,it is the premier source for computer concepts and terminology. Updated quarterly, this powerful, authoritative reference about the computer industry is available on CD-ROM for Windows and online.

  • Encyclopedia Britannica

    Encyclopedia Britannica is one of the world's most trusted sources of information on every topic imaginable - from the origins of the universe to current events and everything in between.

  • Scholarpedia

    This encyclopedia deals with computational neuroscience, dynamic systems, computetional intelligence, and astrophysics. Scholarpedia is a free peer reviewed encyclopedia written by scholars from all around the world.

  • MathWorld

    This encyclopedia has incorporated everything from scalar algebra to quaternions to wavelets; point latices to recurrence equations to umbral calculus; ergodic theory to population dynamics to polynomials, etc.

  • Stanford Encyclopedia of Philosophy

    This is a free online encyclopedia of philosophy maintained by Stanford JAMIA Hamdard.It endeavours to be a full-reference repository that encompasses every category within the realm of philosophy as a subject.

  • Webster's Online Dictionary

    It has more than 470,000 entries in its unabrdged dictionary. It is an easy-to-use, advertising-free website designed especially for language enthusiasts. The dictionary is just the beginning of the ultimate unabridged experience.

  • Dictionary .Com is a multi-source dictionary search service produced by Lexico Publishing Group, LLC, a leading provider of language reference products and services on the Internet.

    To use the dictionary, simply type a word in the blue search box that appears at the top of every page and then click the 'Search' button. This will perform a search for the word in the several dictionaries hosted on the site. If you don't know how to spell the word, just guess. You will get a list of suggestions if you are wrong.

  • Online Dictionary of Nanotechnology

    It is an online and "living" dictionary about nanotechnology. It was launched on the Web on March 2, 2002. It is updated weekly, with the adding of new entries (new discoveries, new concepts...) or the revision of existing entries. It is edited by Cyril Fievet, a computer engineer, who makes the design, the content and the webmastering of the site. Cyril Fievet is a freelance writer and the editor and publisher of, an electronic magazine about the robotics revolution.

  • Computer Dictionary

    It is a free online dictionary for words, phrases and abbreviations that are related to computer and Internet technology. It provides easy-to-understand definitions in plain language, avoiding the use of heavy jargon when possible so that the site is accessible to users with a wide range of computer knowledge.

  • Medical Dictionary

    It provides easy-to-read, in-depth, authoritative medical information for consumers via its robust, user-friendly, interactive web site.It has had a highly accomplished, uniquely experienced team of qualified executives in the fields of medicine, healthcare, Internet technology, and business to bring the most comprehensive, sought after healthcare information anywhere. It is the trusted source for online health and medical information.

  • Dictionary of Medical Abbreviations

    It has the world's largest online database of pharmaceutical and medical abbreviations - over 230,000 and growing. It is updated daily to include new acronyms and abbreviations and their meanings. It is free to use, allowing people to instantly look up meanings for acronyms and abbreviations from the fields of medicine, pharmacy, biotechnology, agrochemicals, healthcare and more.

    It has also expanded its services to include a searchable database of Pharmaceutical Companies, Medical Associations and Hospitals.

  • Dictionary of Geographical Abbreviations
    and Acronyms

    This dictionary decodes abbreviations and acronyms found in various publications including maps and websites. These abbreviations or acronyms, therefore, are not necessarily authoritative or standardized in format or content.

  • Open Directory

    The Open Directory is the most widely distributed data base of Web content classified by humans. Its editorial standards body of net-citizens provide the collective brain behind resource discovery on the Web. The Open Directory powers the core directory services for the Web's largest and most popular search engines and portals, including Netscape Search, AOL Search, Google, Lycos, HotBot, DirectHit, and hundreds of others.

  • Acronym Finder

    With more than 550,000 human-edited entries, Acronym Finder is the world's largest and most comprehensive dictionary of acronyms, abbreviations, and initialisms. Combined with the Acronym Attic, Acronym Finder contains more than 4 million acronyms and abbreviations. New! You can also search for more than 850,000 US and Canadian postal codes.

  • General Thesaurus

    It is a searchable online version of Roget's Thesaurus of English words and phrases.

  • Roget's thesaurus

    This thesaurus is produced by Lexico Publishing Group, LLC, a leading provider of language reference products and services on the Internet. To use the thesaurus, simply type a word in the gold search box and click the 'Search' button. A list of synonyms and antonyms will be returned.

  • World Atlas

    World Atlas provides information about continents, countries, dependencies, islands, territories, lakes, rivers, seas, oceans, mountains, and the highest, lowest, biggest, smallest, tallest, deepest, oldest, youngest, richest, poorest places on the planet.

    All graphics and maps in worldatlas are created by Graphic Maps, a d/b/a of the Woolwine-Moen Group.Every effort is made to be 100% accurate when disseminating geography and map information.

  • Maps of India

    It is the largest online repository of maps on India since 1998. The site provides business mapping solutions and thematic map images of India, its states, union territories, districts, and cities. It is an established brand, servicing businesses, institutions and individuals across the globe.

  • Weather

    This website is developed and maintained by NATIONAL INFORMATICS CENTRE ,New Delhi.It gives information about WEATHER RESOURCE SYSTEM FOR INDIA

    All India Weather (IMD) / Satellite Inferance (IMD) Current Weather Conditions Weather Forecast Cloud Image INSAT(Vis) INSAT(IR) Sea Surface Temperature Previous day / Today Climate Prediction Rainfall/ Temperature/ Soil Moisture / El Ni?o Cyclone Status/ Plot of Track /WMO Sponsored Meteorological Analysis by NCEP Weather Conditions on Indian Ocean ,etc.

  • Earth Calendar

    The Earth Calendar is a non-profit website. It is a daybook of holidays and celebrations around the world. For the purpose of this web site a "holiday" is any day that recognizes a cultural event.

  • The Almanac

    The Almanac is the community news and information service for Menlo Park, Atherton, Portola Valley and Woodside, contiguous communities located on the Midpeninsula south of San Francisco. The Web site,, provides frequent news updates; a forum called Town Square, where residents and visitors exchange information and ideas on matters large and small; and other features designed to link people with information about community events and resources. The Web site also contains stories and other content from the newspaper, including back issues beginning in 1998.

  • Dictionary of Quotations

    This dictionary provides important quotations of all great personalities from all fields of human knowledge.Quotations can be searched by subject,author and 'exact words'.It provides following search facilities: Subject Index,Author Index,New Quotes, FAQ,Related Sites, etc.