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Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

YourDictionary is a free online dictionary that offers definition search from Webster's dictionary for word meanings and thesaurus. Use this dictionary search as a crossword or scrabble dictionary. Also find legal dictionary, technical words, glossar...

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

YouTube is a place to discover, watch, upload and share videos.

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education

Wordnik: Dictionary Definitions and Example Sentences

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Earth to Class (E2C) is a unique science/math/technology learning resource for K-12 students, teachers, and administrators. It has been created through the collaboration of researchers at the Lamont-Doherty Earth Observatory, curriculum and technolog...

The goal of this free online learning center is to help high school students prepare for comprehensive exams in English, math, global history, U.S. history, earth science, biology, chemistry, and physics.