Leading References

 Acronyms

• Abbreviations World's largest and most comprehensive directory and search engine for acronyms, abbreviations and initialisms on the Internet.
• Future Nurses Medical Acronyms & Abbreviations

Construction

• Construction Glossary Construction Glossary and Home Building Terms

Court Reporting

• NCRA National Court Reporters Association
• Stenograph - Home to Case Catalyst Stenograph: industry leader in court reporting technology, supplies, and education.
• Stenosearch The Legal Support Services Connection - Legal Support Directories and More

Dictionary

• Dictionary 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.
• Dictionary of Units of Measurement A Dictionary of Units of Measurement
• Encyberpedia The most complete summary of Encyclopedia reference information on the Internet
• Merriam-Webster Free online dictionary, thesaurus, Spanish-English and medical dictionaries, audio pronunciations, Word of the Day, word games, and many more high-quality Merriam-Webster language resources.
• Your Dictionary Dictionary definitions you can understand.

Finacnical

• InvestorWords - Investment and Financial Dictionary The  most comprehensive investing glossary on the Internet with Over 18000 financial and investing definitions with links between related terms.

Legal Terminology

• Latin Legal Terminology Latin legal terms
• Law.com's online Real Life Dictionary of the Law. The easiest-to-read, most user-friendly guide to legal terms.
• US Court Glossary Glossary of Court Related Terms.

Medical

• Anatomy of the Human Body Gray’s Anatomy of the Human Body.
• Braces Info A Dictionary of Dental and Orthodontic terms.
• Cancer Glossary Glossary of cancer terms
• Doc Talk You can't pass for a pro in the ER or OR if you don't sound like you know what you're doing! Here's a (soon to be) enormous compilation of specialty medical jargon for you to spice up your MedTech's dialog.
• Doctor Directory Find doctors using this Doctor Directory.
• Drug Information Online Drugs.com is the most popular, comprehensive and up-to-date source of drug information available online.
• Medi Lexicon Medical and pharmaceutical acronyms and abbreviations.
• Online Dictionary of Mental Health A comprehensive mental health guide to Adolescent Psychology, Alzheimer's Disease, Anorexia Nervosa, Anxiety Disorders, Bipolar Disorder, Bulimia Nervosa, Child Psychology and Psychiatry, Chronic Fatigue Syndrome and Fibromyalgia, Clinical Psychology,
• PDR Health Drug information guide and health resources for consumers from the publishers of the Physicians' Desk Reference. Info on interactions, side effects, symptoms, treatment, screening, approvals, more for prescription drugs, OTC, herbs and supplements.
• Rx List Medications, prescription drug information, pill identifier and pharmacy locator (24 hr pharmacies) for consumers and medical health professionals. The most popular drugs and their side effects, interactions, and use.
• UCMP Glossary Glossary for Biologists and Paleontologists.
• WebMD The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community  and educational services by blending award-winning expertise in content, community services, and expert comment.
• Wheeless' Textbook of Orthopaedics This is the most comprehensive, unparalleled, dynamic online medical textbook in existence.

Street Language

• Drug Terms Slang drug terms like nub, 8th, buzz, etc.

Technical Terms

• Acronym Finder Find definitions for over 4,219,000 abbreviations, acronyms, and initialisms.
• Computer Technical Glossary Computer Terms
• What Is The Tech Dictionary and IT Encyclopedia.

US Information

• 50 States State information with resource links to state homepages, symbols, flags, maps, constitutions, representatives, songs, birds, flowers and  trees.