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.

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...

provides online training classes for manufacturers and vocational schools.

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

The Free Online English Dictionary from Macmillan Publishers.

Computer Glossary, Computer Terms – Technology Definitions and Cheat Sheets from Whatis.com – The Tech Dictionary and IT Encyclopedia

Welcome to Cool Cosmos, NASA

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

This GuideSite focuses on the science of physics, addressing the major theories of physics, laws of physics, physical equations, the scientific method, history of physics, and physics experiments, as well as advice in completing physics homework.

Space.com provides information on everything Space - satellites, stars, astronomy, the Sun, planets, NASA and more.

Longman English Dictionary is the leading dictionary for learners of English of all ages and levels who want to learn more about English: definition, idioms, examples and more.