Professor Word is a service that can help students learn new SAT and ACT vocabulary words. Professor Word operates as a browser bookmarklet in Chrome, Firefox, Internet Explorer, and Safari. When you're reading a web page, click on the Professor Word bookmarklet to quickly identify SAT and ACT vocabulary words on that page. You can also use Professor Word to get definitions for any unfamiliar word on a webpage. To get a definition just highlight the word a small dialogue box containing the definition will appear.
Wordle is a toy for generating word clouds from text that you provide. The clouds give greater prominence to words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes.
Have you heard an abbreviation but have no idea what it means? With more than 900,000 human-edited definitions, Acronym Finder is the world's largest and most comprehensive dictionary of acronyms, abbreviations, and initialisms.