HEATKEYS

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

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

Free online English dictionary from Oxford, plus thesaurus, word of the day, resume examples, letter writing, and English grammar

Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

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...

The homepage for Johns Hopkins Medicine. The organization brings together the faculty, physicians, and scientists of the School of Medicine with professionals of the Johns Hopkins Health System.

An educational resource providing information on fossils, geologic history and earth science. Topics include fossil formation, geologic time, earth science lesson plans, and activities for kids.

TA Center on Positive Behavioral Interventions and Supports