Group items tagged

This dictionary will allow you to look up phrasal verbs and idioms

America's most useful and respected dictionary. In addition to all the definitions from Merriam-Webster's Collegiate Dictionary, the app offers voice search, synonyms, antonyms, example sentences, Word of the Day, and more. This dictionary has a large database of academic, technical, and medical vocabulary.

Welcome to the NCI Dictionary of Cancer Terms, a resource with 7,767 terms related to cancer and medicine. Tips on Looking Up a Word or Phrase In the search box, type the word or phrase you are looking for and click the "Go" button.

Urban Dictionary is a crowdsourced online dictionary of slang words and phrases. Not formal use with caution

A free online Talking English Pronunciation Dictionary - simply mouseover/tap your entry to hear it pronounced. American and British spellings, with alternative pronunciations. Sounds are fast, clear and completely natural, pre-recorded by native speakers. Answers the question "How do you say...?".

Visuwords™ online graphical dictionary - Look up words to find their meanings and associations with other words and concepts. Produce diagrams reminiscent of a neural net. Learn how words associate. Enter words into the search box to look them up or double-click a node to expand the tree.

Specialists in the field of genetics share their descriptions of terms, and many terms include images, animation and links to related terms. A quiz is also included.

This site provides not only definitions, pronunciations, synonyms/antonyms, and etymologies, but also, to name a few features, real-time example sentences from Twitter, words that are used in the same context (e.g., searching for "corny" will retrieve "overblown" and "country-western" (!), and Flikr photos tagged with the word-so you can actually see what people find corny.