Acronyms-http://www.all-acronyms.com/

large searchable collection of acronyms and abbreviations sorted alphabetically and by categories. Definitions are ordered by relevancy and popularity rank.

Dictionary Search-http://www.dictionary-search.com

English Dictionary showing Word Meanings, Definitions, Thesaurus with links to related resources - images, news, quotations, encyclopedia and shopping.

Acronym Definitions-http://www.all-acronyms.com/

large searchable collection of acronyms and abbreviations sorted by categories. New abbreviations can be added if they exist and widely known.

Acronyms and Abbreviations-http://www.all-acronyms.com

All Acronyms is a large searchable database of acronym and abbreviation definitions ordered by categories and by acronym rank