Dictionaries and Encyclopedias
Search or browse the encyclopedia alphabetically or by subject to find in-depth articles, related websites, video clips, and more. Check out the world atlas, timelines, year in review, and the spotlight archive with exhibits on dinosaurs, thunderstorms, the Titanic, and more.
Find easy to understand information on a variety of topics. Great for students of all ages.
You can quickly look up a word, read its definition, and hear it pronounced. Search by typing the beginning or ending of a word, definition, part of speech, and more. Check out the rhyme, crossword, and jumble search. Includes word games, a thesaurus, and atlas.
A searchable dictionary that can be used to study the history, meaning, and pronunciation of words in the English language. Find out when a word was first used and how its context has changed over time.
Simultaneously search over 100 specialized dictionaries and reference books covering a variety of subjects including language, science, medicine, humanities, social science, and business.
The Visual Thesaurus is an animated display of words and meanings - a visual representation of the English language. In addition to synonyms, the Visual Thesaurus shows 14 kinds of semantic relationships, including antonyms, type of relationships, characteristics, and more. The Visual Thesaurus is also a dictionary, offering a number of definitions and usage examples for every word.
Explore easy to understand encyclopedia articles, as well as links to related websites and magazine articles. An atlas is also included. Entries incorporate sounds, pictures, videos and animations to make the information come alive. Great for students of all ages.
