Super Parallel Directory

Beginners English Dictionary

http://www.beginnersenglishdictionary.com/

Free visual online English dictionary for beginning English students.

Internet Terms Dictionary

http://dictionary.noamnet.com/

Searchable dictionary of Internet and computer terms.

Longman English Dictionary Online

http://www.ldoceonline.com/

Searchable online English dictionary with pronunciations of headwords and example sentences. Includes widgets.